what are the possible measures of the 3rd angle where the bat hits the triangle above the horizontal side?

Answer:

∠ A = 98°

Step-by-step explanation:

ABCD is a cyclic quadrilateral

its opposite angles sum to 180° , that is

∠ A + ∠ C = 180°

∠ A + 82° = 180° ( subtract 82° from both sides )

∠ A = 98°

The vector function r(s) is t = s/a, the direction of motion T(s) explicitly is r'(t) = a and the length of the  curve r(t) = ecos(t)i + et sin(t)j + e'k  is given by curvature  r = [tex]\frac{||T'(t)||}{||r'(t)||}[/tex] = 1/a.

Curvature is any of many closely related geometric notions in mathematics. Curvature is intuitively defined as the amount a curve deviates from being a straight line or a surface deviates from being a plane. The most common example of a curve is a circle, which has a curvature equal to the reciprocal of its radius. Smaller circles bend more sharply, resulting in more curvature.

The curvature of a differentiable curve at a location is the curvature of the circle that best approximates the curve near this point. A straight line has no curvature. In contrast to the tangent, which is a vector quantity, the curvature at a point is normally a scalar quantity, defined by a single real integer.

Circle with center the origin and having radius a

a) r(t) = (acost, asint)

s = [tex]\int\limits^a_b {\sqrt{a^2sin^t+a^2cos^t} } \, dt[/tex]

= at

t = s/a.

b) r(s) = (a cos(s/a), asin(s/a))

= (-a sint, a cost)

r'(t) = a.

c) Graphing the vector include the co-ordinates

T(t) = (-sint, cost)

T(s) = (-sin(s/a), cos(s/a))

Curvature r = [tex]\frac{||T'(t)||}{||r'(t)||}[/tex]

= 1/a.

Therefore, the length of the  curvature is 1/a.

Learn more about Length of the curve:

https://brainly.com/question/31376454

#SPJ4

24 is the sum of the left leaves (9 and 15) in the binary tree.

Here's the implementation of the sum_of_left_leaves function in Python:

class TreeNode:

def __init__(self, x):

self.val = x

self.left = None

self.right = None

def sum_of_left_leaves(root):

if not root:

return 0

elif root.left and not root.left.left and not root.left.right:

# The current node has a left child that is a leaf node

return root.left.val + sum_of_left_leaves(root.right)

else:

# Recursively sum up the left leaves of the left and right subtrees

return: sum_of_left_leaves(root.left) + sum_of_left_leaves(root.right)

It implementation uses recursion to traverse the binary tree and add up the values of all the left leaves. The base case is when the current node is None, in that case we return 0.

If the current node has a left child which is a leaf node .

We are adding its value to the sum and recursively call the function on the right subtree.

In other word we can say that we recursively call the function on both the right and left subtrees and sum up their results.

For use this function with the example result, you can create the binary tree like this:

# Input: 3 9 20 15 7

root = TreeNode(3)

root.left = TreeNode(9)

root.right = TreeNode(20)

root.right.left = TreeNode(15)

root.right.right = TreeNode(7)

# Output: 24

print(sum_of_left_leaves(root))

This will output 24, which is the sum of the left leaves (9 and 15) in the binary tree.

Learn more about sum here,

https://brainly.com/question/25734188

#SPJ4

Correct question is " Sum of Left Leaves in a Binary Tree Given a non-empty binary tree, return the sum of all left leaves. Example: Input: 3 9 20 15 7 Output: 24 Explanations summing up every Left leaf in the tree gives us: 9 + 15 = 24 -1 -2 -3 -4 class TreeNode: def __init__(self, x): self.val = x self.left = self.right = None 5 def sum_of_left_leaves (root): -6 7 18 19 50 51 2 13 Write your code here :type root: TreeNode :rtype: int 11 001 84 15 > root = input_binary_tree"

Answer:

[tex](2x + 8)(6x + 2)[/tex]

[tex] = 12 {x}^{2} + 52x + 16[/tex]

C is the correct answer.

The correct answer is option d) 60 cm^2.

The area of the triangle with side lengths 8 cm, 17 cm, and 15 cm can be calculated using Heron's formula. The correct answer can be found by substituting the side lengths into the formula and evaluating the expression.

To find the area of a triangle when the lengths of all three sides are known, we can use Heron's formula. Heron's formula states that the area of a triangle with side lengths a, b, and c is given by:

Area = sqrt(s(s - a)(s - b)(s - c))

where s is the semi-perimeter of the triangle, calculated as:

s = (a + b + c) / 2

In this case, the side lengths are given as 8 cm, 17 cm, and 15 cm. Plugging these values into the formula, we have:

s = (8 cm + 17 cm + 15 cm) / 2 = 20 cm

Area = sqrt(20 cm(20 cm - 8 cm)(20 cm - 17 cm)(20 cm - 15 cm))

     = sqrt(20 cm * 12 cm * 3 cm * 5 cm)

     = sqrt(3600 cm^2)

     = 60 cm^2

Therefore, the correct answer is option d) 60 cm^2.

to learn more about semi-perimeter click here:

brainly.com/question/30640218

#SPJ11

the complete question is:

A triangle has sides 8 cm, 17 cm and 15 cm The area of the triangle is

a) 50 cm^2

b) 68  cm^2

c) 40 cm^2

d) 60 cm^2

The throw of the dice or the drawing of a card is known as random behavior.

Random behavior refers to events that occur by chance, without any predictability or pattern. These events cannot be influenced or controlled, and their outcomes are determined by the laws of probability. In games such as dice and card games, the outcomes are determined by random variables, such as the position of the dice or the shuffle of the deck.

Random behavior can also occur in other contexts, such as weather patterns or the stock market, where events are subject to unpredictable fluctuations. Understanding random behavior is important in many fields, including mathematics, statistics, and economics, as it can help us make informed decisions based on the probability of different outcomes.

To learn more about probability  click here

brainly.com/question/30034780

#SPJ11

The FDA regulates that a fish consumed should contain at most 1 mg/kg of mercury. In Florida, bass fish from 52 different lakes were collected to determine if the mercury levels in the fish exceed the allowable amount.

To assess if there's enough evidence to show that fish in all Florida lakes have a higher mercury level than permitted, we will conduct a hypothesis test using the data collected.
The random variable (X) represents the average mercury level of bass fish in a sampled lake. The population parameter (μ) stands for the true mean mercury level of bass fish in all Florida lakes.
The null hypothesis (H₀) states that the average mercury level in the fish does not exceed the FDA's allowable amount, which means μ ≤ 1 mg/kg. The alternative hypothesis (H₁) claims that the average mercury level in the fish is higher than the FDA's allowable amount, which means μ > 1 mg/kg.
To determine if there is enough evidence to support H₁, we will perform a hypothesis test using the appropriate statistical test and significance level, while considering the sample size and mercury levels collected from the 52 lakes. If the test results lead to the rejection of H₀, we can conclude that there is evidence suggesting the fish in all Florida lakes have a mercury level higher than the allowable amount.

Learn more about FDA here

https://brainly.com/question/29792119

#SPJ11

(a) The contents of the ROM are:

X = A'B'.0 + AB.1 + 0.0 + BC'D.1

(b) The contents of the PLA using dot notation as follows:

Y = A0.B0.Y0 + A1.B1.Y1

/Y = A0.B0./Y0 + A0.B1./Y1 + A1.B0./Y0 + A1.B1./Y1

Z = A0.B0.Z0 + A1.B0.Z0 + A0.B1.Z1 + A1.B1.Z1

(c) The contents of the PLA using dot notation as follows:

Z = A0.B0.Z0 + A1.B0.Z0 + A0.B1.Z1 + A1.B1.Z1

(a) Implementing the function X = AB + BC'D + A'B' using a single 16 x 3 ROM:

We can use the formula for X to determine the output values:

X(00C') = A'B'

X(01C') = AB

X(10C') = 0

X(11C') = BC'D

Therefore, the contents of the ROM can be represented using dot notation as follows:

X = A'B'.0 + AB.1 + 0.0 + BC'D.1

(b) Implementing the function Y = AB + BD using a 4 x 8 x 3 PLA:

We can assign the product terms as follows:

Y0 = AB

Y1 = BD

/Y0 = A'B' + A'D + B'C

/Y1 = A'C' + B'C' + BC

Z0 = A + B

Z1 = C + D

Then, we can assign the connections as follows:

A0 = Y0 + /Y0 + Z0

A1 = Y1 + /Y1 + Z0

B0 = Y0 + /Y0 + Z0

B1 = /Y1 + Z1

C0 = /Y0 + Z1

C1 = /Y1 + Z1

D0 = Z0

D1 = Y1 + /Y1 + Z1

Finally, we can represent the contents of the PLA using dot notation as follows:

Y = A0.B0.Y0 + A1.B1.Y1

/Y = A0.B0./Y0 + A0.B1./Y1 + A1.B0./Y0 + A1.B1./Y1

Z = A0.B0.Z0 + A1.B0.Z0 + A0.B1.Z1 + A1.B1.Z1

(c) Implementing the function Z = A + B + C + D using a 4 x 8 x 3 PLA:

We can assign the product terms as follows:

Z0 = A + B + C + D

Z1 = /Z0

Then, we can assign the connections as follows:

A0 = Z0

A1 = Z1

B0 = Z0

B1 = Z1

C0 = Z0

C1 = Z1

D0 = Z0

D1 = Z1

Finally, we can represent the contents of the PLA using dot notation as follows:

Z = A0.B0.Z0 + A1.B0.Z0 + A0.B1.Z1 + A1.B1.Z1

Learn more about ROM and PLA

brainly.com/question/15587505

#SPJ11

A rose garden is formed by rectangular and semi-circular parts. If the gardener wants to build a fence around the garden, then total 139.39 feet of fence are required.

The perimeter is defined as calculating the outer length of boundaries of shape.

We have a rose garden is formed by joining a rectangle and a semicircle, as present in above figure. We have to determine the feet of fence are required to build a fence around the garden.

From the above figure, length of rectangular part, l = 35 ft

Width of rectangular part, w = 27 ft.

Also, diameter of semi-circular part, d

= 27 ft

Radius of of semi-circular part, r = d/2

= 27/2 ft = 13.5 ft

So, the perimeter of semi-circular part, Pₛ = π × r = π × 13.5 ft

= 42.39 ft.

Here, the fence required for the rectangle shape is three sides that two long sides and one wide side. The fourth side of the width is already covered by the semi-circular part. So, the perimeter formula for the rectangle shape, Pᵣ = 2l + w. Therefore, perimeter of garden

= Pₛ + Pᵣ

= 42.39 ft + 2 × 35 ft + 27 ft

= 70 ft + 27 ft + 42.39 ft

= 139.39 ft.

Hence, required value is 139.39 feet.

For more information about perimeter, refer:

brainly.com/question/19819849

In a normal distribution, approximately 68% of the population is within one standard deviation of the mean. This can be explained by the empirical rule, which states that for a normal distribution, about 68% of the data falls within one standard deviation of the mean, about 95% falls within two standard deviations, and about 99.7% falls within three standard deviations.

The standard deviation is a measure of how spread out the data is from the mean, so if the data is normally distributed, we can use the empirical rule to estimate the proportion of the population that falls within a certain number of standard deviations from the mean.

Therefore, we can say with confidence that approximately 68% of the population falls within one standard deviation of the mean in a normal distribution.

Learn more about standard deviation here:

brainly.com/question/23907081

#SPJ11

Since we need to round the number of scoops to the nearest scoop, we can round 67.32 scoops to 67 scoops. Therefore, you'll need to add 67 scoops of drink mix to make a full batch of sports drink for the campers on a hot day.

To determine the number of scoops of drink mix needed for a full batch, we'll first need to calculate the volume of the container and convert it to gallons. The container's dimensions are 1 foot by 1.5 feet by 3 feet.
Step 1: Calculate the volume of the container.
Volume = length × width × height
Volume = 1 ft × 1.5 ft × 3 ft
Volume = 4.5 cubic feet
Step 2: Convert the volume to gallons.
1 cubic foot is equivalent to 7.48 gallons, so we'll multiply the volume in cubic feet by the conversion factor.
4.5 cubic feet × 7.48 gallons/cubic foot ≈ 33.66 gallons
Step 3: Calculate the number of scoops of drink mix needed.
You must add two scoops of drink mix for each gallon of water.
33.66 gallons × 2 scoops/gallon ≈ 67.32 scoops

Learn more about dimensions here

https://brainly.com/question/28107004

#SPJ11

Answer:

Step-by-step explanation:

Add the numbers first. (-10 + 4)

f(x)=x^2-10+4;f(-2)

f(x)=x^2-6;f(-2)

Then re-order the terms so that the constants are on the left. f & (-2)

f(x)=x^2-6;f(-2)

f(x)=x^2-6;-2f

Your answer will then be f(x)=x^2-6;-2f.

Answer:

-10

Step-by-step explanation:

f(x) = f(-2)

(-2) × 2 - 10 + 4

= (-4) - 10 + 4

= (-14) + 4

= (-10)

T he joint moment generating function of x and y is M(t1, t2) = (1/36)Σx=1^6Σz=1^6 e^(t1x + t2z)

Let X be the value of the first die, which takes on values {1, 2, 3, 4, 5, 6} with equal probability of 1/6 each. Let Y be the sum of the values of two dice, so Y takes on values {2, 3, ..., 12}.

The joint moment generating function of X and Y is given by:

M(t1, t2) = E[e^(t1X + t2Y)]

To compute this, we can use the law of total probability and conditioning on the value of X:

M(t1, t2) = E[e^(t1X + t2Y)]

= Σx P(X=x) E[e^(t1X + t2Y) | X=x]

= (1/6)Σx=1^6 E[e^(t1x + t2Y) | X=x]

Now we need to compute E[e^(t1x + t2Y) | X=x]. We can use the fact that the sum of two dice is the sum of two independent uniform random variables on {1, 2, 3, 4, 5, 6}:

E[e^(t1x + t2Y) | X=x] = E[e^(t1x + t2(x+Z))]

= E[e^(tx) e^(t2Z)]

= MZ(t2) e^(tx)

where Z is a uniform random variable on {1, 2, 3, 4, 5, 6} and MZ(t2) is its moment generating function, which is:

MZ(t2) = E[e^(t2Z)]

= (1/6)Σz=1^6 e^(t2z)

Substituting this back into the expression for M(t1, t2), we get:

M(t1, t2) = (1/6)Σx=1^6 E[e^(t1x + t2Y) | X=x]

= (1/6)Σx=1^6 MZ(t2) e^(tx)

= (1/6)Σx=1^6 [(1/6)Σz=1^6 e^(t2z)] e^(tx)

Simplifying the expression, we get:

M(t1, t2) = (1/36)Σx=1^6Σz=1^6 e^(t1x + t2z)

This is the joint moment generating function of X and Y.

To learn more about joint moment, click here:

https://brainly.com/question/31482873

#SPJ11

a. The mean of the binomial distribution is  4.7

b. The variance of the binomial distribution is 1.1

c. The standard deviation of the binomial distribution is 1.0

Probability of success p = 0.78

Number of trials n = 6

(a) Mean of the binomial distribution:

The mean or expected value of a binomial distribution is given by np.

Therefore, the mean of this binomial distribution is:

μ = np = 6 x 0.78 = 4.68

So, the mean is 4.7 (rounded to one decimal place).

(b) Variance of the binomial distribution:

The variance of a binomial distribution is given by np(1 - p).

Therefore, the variance of this binomial distribution is:

σ^2 = np(1 - p) = 6 x 0.78 x 0.22 = 1.0608

So, the variance is 1.1 (rounded to one decimal place).

(c) Standard deviation of the binomial distribution:

The standard deviation of a binomial distribution is the square root of the variance.

Therefore, the standard deviation of this binomial distribution is:

σ = √(np(1 - p)) = √(1.0608) = 1.03

So, the standard deviation is 1.0 (rounded to one decimal place).

Learn more about variance at https://brainly.com/question/16173315

#SPJ11

Let's start by assigning variables to the unknowns in the problem. Let x be the number of one-dollar bills,

y be the number of five-dollar bills, and z be the number of ten-dollar bills. From the problem, we know that: x + y + z = 35 (since there are 35 bills in total) 1x + 5y + 10z = 144 (since the total amount of money is $144) z = y + 2

(since there are two more ten-dollar bills than five-dollar bills) Now we can substitute the third equation into the second equation: 1x + 5y + 10(y + 2) = 144 Simplifying: 1x + 15y + 20 = 144 1x + 15y = 124 We have two equations with two variables: x + y + z = 35 x + 15y = 124 Solving for x in the second equation: x = 124 - 15y

Substituting into the first equation: (124 - 15y) + y + (y + 2) = 35 126 - 13y = 35 -13y = -91 y = 7

Now we can find z: z = y + 2 = 9 And finally, we can find x: x = 124 - 15y = 124 - 15(7) = 19 Therefore, there are 19 one-dollar bills, 7 five-dollar bills, and 9 ten-dollar bills.

learn more about dollar here:brainly.com/question/29846475

#SPJ11

[tex](\stackrel{x_1}{-6}~,~\stackrel{y_1}{-7})\hspace{10em} \stackrel{slope}{m} ~=~ \cfrac{3}{2} \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{(-7)}=\stackrel{m}{ \cfrac{3}{2}}(x-\stackrel{x_1}{(-6)}) \implies y +7 = \cfrac{3}{2} ( x +6) \\\\\\ y+7=\cfrac{3}{2}x+9\implies {\Large \begin{array}{llll} y=\cfrac{3}{2}x+2 \end{array}}[/tex]

A benchmark fraction is a commonly used fraction that is easy to remember and can be used to estimate the value of other fractions or percentages. The most commonly used benchmark fractions are 1/2, 1/3, 1/4, 1/5, 1/6, 1/8, and 1/10.

To use a benchmark fraction to tell if a percent is reasonable, you can first convert the percent to a fraction by dividing it by 100. Then, you can compare this fraction to the benchmark fractions to see which one it is closest to.

For example, if you wanted to estimate whether 75% is a reasonable amount, you could first convert it to a fraction by dividing 75 by 100, which gives you 0.75. Then, you could compare this fraction to the benchmark fractions to see which one it is closest to. 0.75 is closest to 3/4, which is one of the benchmark fractions. This suggests that 75% is a reasonable amount, since it is close to 3/4.

Learn more about benchmark fraction

https://brainly.com/question/20117715

#SPJ4

.

The value of y -x is 30°

A triangle is a three-sided polygon that consists of three edges and three vertices. The types of triangles include; right triangle, equilateral triangle, isosceles triangle , obtuse triangle e.t.c

A triangular theorem states that the sum of angle In a triangle is 180°

Therefore 3x = 180-90

3x =90

divide both side by 3

x = 90/3 = 30°

Therefore x+y+90 = 180

x+y =180 - 90

x+y = 90

y = 90-x

y = 90-30

y = 60°

Therefore the value of y-x will be ;

y-x = 60-30

= 30°

learn more about sum of angle in a triangle from

https://brainly.com/question/22262639

#SPJ1

The H.C.F of the polynomials x⁸ - y⁸, (x⁴ - y⁴)(x + y) is (x - y)(x + y)

The H.C.F - Highest Common Factor of two or more numbers is the highest of their common factors.

Given the polynomials x⁸ - y⁸, (x⁴ - y⁴)(x + y). To find their highest common factors, we proceed as follows.

Now, the polynomial x⁸ - y⁸ = (x⁴)² - (y⁴)²

= (x⁴ - y⁴)(x⁴ + y⁴) difference of two squares.

Also,

(x⁴ - y⁴) = (x²)² - (y²)²

= (x² - y²)(x² + y²) difference of two squares.

= (x² - y²)(x² + y²)

So,

x⁸ - y⁸ = (x⁴ - y⁴)(x⁴ + y⁴)

= (x² - y²)(x² + y²)(x⁴ + y⁴)

Also,  (x² - y²) = (x - y)(x + y)

So, substituting this into the quation, we have that

x⁸ - y⁸ =  (x² - y²)(x² + y²)(x⁴ + y⁴)

=   (x - y)(x + y)(x² + y²)(x⁴ + y⁴)

Now, the polynomial

(x⁴ - y⁴)(x + y) =  (x² - y²)(x² + y²)(x + y)

= (x - y)(x + y)(x² + y²)(x + y)

So, comparing the factors of x⁸ - y⁸ and (x⁴ - y⁴)(x + y), the H.C.F is (x - y)(x + y)

So, the H.C.F is (x - y)(x + y)

Learn more about H.C.F of polynomials here:

https://brainly.com/question/30196598

#SPJ1

The total number of milligrams of sodium recommended for a 2000-calorie diet is 2429 mg.

In mathematics, an expression is a combination of numbers, variables, and mathematical operations (such as addition, subtraction, multiplication, and division) that can be evaluated to obtain a value.

If one serving of toasted corn kernels contains 170 milligrams of sodium and it represents 7% of the daily value, we can calculate the recommended daily value as follows:

Let X be the total number of milligrams of sodium recommended for a 2000-calorie diet.

7% of X = 170 mg

0.07X = 170 mg

X = 170 mg / 0.07

X = 2428.57 mg

The total number of milligrams of sodium recommended for a 2000-calorie diet is 2429 mg.

To know more about an expression follow

https://brainly.com/question/16889464

#SPJ1

The expression "arcsin(1/2)" represents the inverse sine function, which returns the angle whose sine is equal to 1/2.

To find the exact value of arcsin(1/2), we need to determine the angle whose sine is 1/2. In other words, we are looking for the angle θ such that sin(θ) = 1/2.

By recalling the trigonometric values for common angles, we know that sin(30°) = 1/2. Therefore, the exact value of arcsin(1/2) is 30 degrees or π/6 radians.

In summary, arcsin(1/2) = 30° = π/6 radians.

To know more about expression refer here

https://brainly.com/question/28170201#

#SPJ11

The equation of the tangent plane to the surface [tex]x^2yz[/tex] = 18 at the point (4, 1, 2) is: (8x-3y-16z) = (84 - 31 - 16*2)

8x - 3y - 16z = -21

The region $E$ is defined by the paraboloid [tex]$z = 24 - 2x^2 - 2y^2$[/tex]and the cone [tex]$z = 2\sqrt{x^2 + y^2}$[/tex]. To find the volume of this region, we integrate over [tex]$E$[/tex]using cylindrical coordinates:

[tex]\iiint_E dV &= \int_{0}^{2\pi} \int_{0}^{\sqrt{2}} \int_{2r^2}^{24-2r^2} r , dz , dr , d\theta \[/tex]

[tex]&= \int_{0}^{2\pi} \int_{0}^{\sqrt{2}} (22r^3 - r^5) , dr , d\theta \&= \frac{64}{3} \pi.\end{align*}[/tex]

Therefore, the volume of the region[tex]$E$ is $\frac{64}{3} \pi$[/tex]

To learn more about the equation of tangent plane, refer the link:

https://brainly.com/question/30260323

#SPJ4

The constant of proportionality is 0.5. 9 points are awarded for 18 minutes of play.

Part A) To find the constant of proportionality, we can set up a proportion using the information given:

1 minute of play = 0.5 points

5 minutes of play = 2.5 points

0.5/1 = 2.5/5

Simplifying the proportion:

0.5 = 0.5

Therefore, the constant of proportionality is 0.5.

Part B) Using the constant of proportionality, we can write the equation that represents the relationship between the time played (in minutes) and the points awarded:

points = 0.5 x time played

Part C) To graph the relationship, we can plot the time played (in minutes) on the x-axis and the points awarded on the y-axis. We would then plot two points: (1, 0.5) and (5, 2.5). These points represent the proportionality of 1 minute of play to 0.5 points, and 5 minutes of play to 2.5 points, respectively. We can then draw a straight line through these two points, which represents the relationship between time played and points awarded.

Part D) Using the equation we found in Part B, we can calculate the number of points awarded for 18 minutes of play:

points = 0.5 x time played

points = 0.5 x 18

points = 9

Therefore, 9 points are awarded for 18 minutes of play.

To learn more about constant of proportionality here:

https://brainly.com/question/29126727

#SPJ1

The values of x (to the nearest hundredth) for which the functions f(X) = g(x) are

To find the values of x where f(x) = g(x), we need to equate the two given functions and solve for x.

f(x) = g(x)

sin(2x) = -(1/2x) - 1

sin(2x) + (1/2x) + 1 = 0

Using graphing calculator to plot the values we have the solution as

-2.91 to the nearest hundredth

-1.42 to the nearest hundredth

-0.45 to the nearest hundredth

The graph is attached

Learn more about sin functions at

https://brainly.com/question/25618616

#SPJ1

This is the alternative hypothesis. It is expressed as

H0 : μ < 250

A restaurant advertises that its burritos weigh 250 g. A consumer advocacy group doubts this claim, and they obtain a random sample of these burritos to test if the mean weight is significantly lower than 250 g. Let u be the mean weight of the burritos at this restaurant and ĉ be the mean weight of the burritos in the sample. Which of the following is an appropriate set of hypotheses for their significance test? Choose 1 answer:

A) H0 : x = 250 , Ha : x < 250

B) H0 : x = 250 , Ha : x > 250

C) H0 : μ = 250 , Ha: μ < 250

C) H0 : μ = 250 , Ha: μ > 250

Solution:

The null hypothesis is the hypothesis that is assumed to be true. The restaurant advertises that its burritos weigh 250. This is the null hypothesis. 250 is the population mean,μ . Thus, the null hypothesis is

H0 : μ = 250

The alternative hypothesis is what the researcher expects or predicts. The consumer advocacy group tests if the mean weight is significantly lower than 250g.

This is the alternative hypothesis. It is expressed as

H0 : μ < 250

Read more about test statistic here:

https://brainly.com/question/15110538

#SPJ1

There are 432 different meal choices that a customer can make if a meal includes a sandwich, chicken wings, and a drink.

To calculate the total number of meal choices, you can multiply the number of options for each item:

Number of sandwich options = 8

Number of chicken wing options = 9

Number of drink options = 6

Total number of meal choices = number of sandwich options x number of chicken wing options x number of drink options

Total number of meal choices = 8 x 9 x 6 = 432

Therefore, there are 432 different meal choices that a customer can make if a meal includes a sandwich, chicken wings, and a drink.

To learn more on Combinations click:

https://brainly.com/question/19692242

#SPJ1

The first four terms in the sequence are 5, 2, -1 and -4

From the question, we have the following parameters that can be used in our computation:

an = -3 + a(n - 1)

Where

a(1) = 5

This means that

a(2) = -3 + 5

a(2) = 2

a(3) = -3 + 2

a(3) = -1

a(4) = -3 - 1

a(4) = -4

Hence, the first four terms are 5, 2, -1 and -4

Read more about sequence at

https://brainly.com/question/4289712

#SPJ1

The valid reasons to use a sample instead of evaluating a much larger population are contacting the whole population would be only marginally more accurate than a sample. A sample can be chosen to validate a specific idea about the population.

Contacting the entire population would be time consuming.
1. Contacting the whole population would be only marginally more accurate than a sample: This is a valid reason because a well-designed sample can often provide an accurate estimate of the population, while using significantly fewer resources.
2. Sampling is a random process, and therefore more accurate than measuring the whole population: This statement is incorrect. A random sample can provide an unbiased estimate, but it is not necessarily more accurate than measuring the entire population.
3. A sample can be chosen to validate a specific idea about the population: This is a valid reason because sampling can be used to test hypotheses or ideas about the population without having to evaluate every member of the population.
4. Contacting the entire population would be time-consuming: This is a valid reason because sampling can save time and resources compared to attempting to gather data from every individual in a population.

Learn more about population here

https://brainly.com/question/25630111

#SPJ11

Answer:

D. 65

Step-by-step explanation:

area of triangle = 1/2 (b × h); where 'b' is the base and 'h' is the height of the triangle

Answer: D

Step-by-step explanation:

10 x 13/ 2 = 65