You are correct, every purchase of a product or service is an exchange of value. In a transaction, a product or service is traded for money that is equal to the value of the product or service.
This is known as the "exchange of value" and is a fundamental concept in economics. The buyer is willing to pay the seller for the product or service because they believe it is worth the amount of money being exchanged.
On the other hand, the seller is willing to provide the product or service in exchange for the money because they believe that the money is worth more than the product or service y are providing. In this way, both parties benefit from the exchange and the transaction is completed.
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The CEO of Super Electronics asked customers to fill out a survey to win a $100 gift certificate. The customers were asked to list the products they purchased that day. 88 bought laptop computers. 52 bought desktop computers. 64 bought printers. What is the probability that the winner of the gift certificate bought a printer from Super Electronics? A.
Answer:
To calculate the probability that the winner of the gift certificate bought a printer from Super Electronics, we need to use the total number of customers who participated in the survey as the denominator and the number of customers who bought printers as the numerator.
The total number of customers who participated in the survey is:
Total Customers = Number of Customers who bought Laptops + Number of Customers who bought Desktops + Number of Customers who bought Printers
Total Customers = 88 + 52 + 64
Total Customers = 204
The number of customers who bought printers is 64.
Therefore, the probability that the winner of the gift certificate bought a printer from Super Electronics is:
P(Bought a Printer) = Number of Customers who bought Printers / Total Customers
P(Bought a Printer) = 64 / 204
P(Bought a Printer) = 0.3137 (rounded to 4 decimal places)
So, the probability that the winner of the gift certificate bought a printer from Super Electronics is 0.3137 or approximately 31.37%.
Work out the surface area of this solid
cylinder.
Give your answer rounded to 3 SF.
28mm
30mm
The diagram is not drawn to scale.
Answer: The surface area of a cylinder is given by the formula:
S = 2πr^2 + 2πrh
where r is the radius of the base, h is the height of the cylinder, and π is the mathematical constant pi.
In this case, the radius is 28 mm and the height is 30 mm.
Substituting these values into the formula, we get:
S = 2π(28)^2 + 2π(28)(30)
Simplifying the equation:
S = 2π(28)(28 + 30)
S = 2π(28)(58)
S = 32176π
Using a calculator, we can approximate the value of S to 3 significant figures:
S ≈ 101285.744 mm^2
Therefore, the surface area of the cylinder is approximately 101286 mm^2 (rounded to 3 significant figures).
Step-by-step explanation:
The first place sled team took 9 days, 15 hours, and 46 minutes to finish the Iditarod. The second place team took 9 days, 21 hours, and 39 minutes. How much faster was the first place team?
PLEASE PUT ANSWER AS HOURS AND MINUTES FASTER, Thank You!!!!
Answer: ur mom anyways jk
Step-by-step explanation:
6hrs and 7mins pls dont trust me on this answer and if u get it wrong im sorry
A company makes wax candles in the shape of a cylinder. Each candle has a radius of 3 inches and a height of 4 inches. How much wax will the company need to make 140 candles?
Use 3.14 for \pi , and do not round your answer.
Answer:
15825.6 [tex]in^3[/tex]
Step-by-step explanation:
using 3.14 for pi you follow the formula for volume of a cylinder which is [tex]\pi r^2 h[/tex] when we plug in it comes to [tex]3.14\cdot3^{2}\cdot4[/tex] and then you solve that to get 113.04, but since you need 140 candles, we multiply the volume of one candle by 140 to get 15825.6 [tex]in^3[/tex]
4^2 =2 x (----- + 3) complete this calculation
A retailer sells model solar systems for $72 that were acquired at a cost of $24. What is the mark-up percentage?
Therefore, the mark-up percentage for the model solar system is 200%. This means that the selling price is twice the cost price.
I have to figure out a percentage.We must divide the value by the entire value to find the percentage, then increase the resulting number by 100.
The mark-up percentage is the percentage by which the selling price exceeds the cost price.
In this case, the cost price of the model solar system is $24 and the selling price is $72. The mark-up amount is the difference between the selling price and the cost price, which is:
$72 - $24 = $48
To find the mark-up percentage, we divide the mark-up amount by the cost price and multiply by 100:
Mark-up percentage = (Mark-up amount / Cost price) x 100%
Mark-up percentage = ($48 / $24) x 100%
Mark-up percentage = 200%
Therefore, the mark-up percentage for the model solar system is 200%. This means that the selling price is twice the cost price.
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Out of 12,14,15,16,18,20,22 and 24
What numbers have the sum of a prime number
Answer:14+15=19, 15+16=31, 15+22=37
Step-by-step explanation:
20 points pls hurry and mark brainly
14C. Every store employee gets an additional 10% off the already discounted price. If an employee buys an item with an original price of $40, how much will the employee pay? Show your work or explain in words how did you get the answer.
Answer: The employee payed $36 for the item.
Step-by-step explanation:
Take $40 and since the employee gets a 10% discount
do $40 times 10% and you get 4
so take 4 away from the $40
40-4=36
Find the determinant. \[ \left|\begin{array}{ccc} d+b & d & d \\ d & d+b & d \\ d & d & d+b \end{array}\right| \]
The determinant of a 3x3 matrix can be found using the following formula:
\[ \left|\begin{array}{ccc} a & b & c \\ d & e & f \\ g & h & i \end{array}\right| = a(ei - fh) - b(di - fg) + c(dh - eg) \]
In this case, we can substitute the values from the given matrix into the formula:
\[ \left|\begin{array}{ccc} d+b & d & d \\ d & d+b & d \\ d & d & d+b \end{array}\right| = (d+b)((d+b)(d+b) - d^2) - d(d(d+b) - d^2) + d(d^2 - d(d+b)) \]
Simplifying the expression gives:
\[ = (d+b)(d^2 + 2bd + b^2 - d^2) - d(d^2 + bd - d^2) + d(d^2 - d^2 - bd) \]
\[ = (d+b)(2bd + b^2) - d(bd) + d(-bd) \]
\[ = 2bd^2 + 2b^2d + b^3 - bd^2 - bd^2 \]
\[ = b^3 + 2b^2d \]
Therefore, the determinant of the given matrix is \[b^3 + 2b^2d\].
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Aisha is going to invest in an account paying an interest rate of 2.7% compounded
quarterly. How much would Aisha need to invest, to the nearest ten dollars, for the
value of the account to reach $6,800 in 16 years?
[tex]~~~~~~ \textit{Compound Interest Earned Amount} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\dotfill & \$ 6800\\ P=\textit{original amount deposited}\\ r=rate\to 2.7\%\to \frac{2.7}{100}\dotfill &0.027\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{quarterly, thus four} \end{array}\dotfill &4\\ t=years\dotfill &16 \end{cases}[/tex]
[tex]6800 = P\left(1+\frac{0.027}{4}\right)^{4\cdot 16} \implies 6800=P(1.00675)^{64} \\\\\\ \cfrac{6800}{(1.00675)^{64}}=P\implies 4420\approx P[/tex]
The area of a classroom is 20 square meters. If the length is increased by 3 meters and the width is increased by 1 meter, the classroom will double in area. Determine the dimension of the new classroom.
The dimension of the new classroom is 8 meters of length and 5 meters of width.
What is Area?Area of a two dimensional shape is the total region which is bounded by the object's shape.
Given that,
Area of the classroom = 20 square meters
Let x be the length and y be the width of the classroom.
Area of a rectangular classroom = Length × Width.
So, we get an equation,
xy = 20
x = 20/y [Equation 1]
If length is increased by 3 meters and the width is increased by 1 meter, the classroom will double in area.
(x + 3) (y + 1) = 20 × 2
(x + 3) (y + 1) = 40 [Equation 2]
Substitute [Equation 1] in [Equation 2]
((20/y) + 3) (y + 1) = 40
Multiplying,
20 + 3y + (20/y) + 3 = 40
3y + (20/y) = 40 - 23
3y + (20/y) = 17
Multiplying throughout by y,
3y² + 20 = 17y
3y² - 17y + 20 = 0
3y² - 12y - 5y + 20 = 0
3y (y - 4) - 5 (y - 4) = 0
(3y - 5) (y - 4) = 0
3y - 5 = 0 or y - 4 = 0
y = 5/3 or y = 4
Let y = 4, then x = 20/4 = 5
Dimension of the new classroom is (x+3) = 8 meters and (y+1) = 5 meters
Hence the dimension of the new classroom is 8 meters and 5 meters.
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JUSTDRAW WHERE TO PUT THE POINT I CANT WITH COORDINATES
Correct tion for the circle with the following properties. Center (4,8), passes through (-10,-5)
The equation of a circle with center at (4, 8) and passing through (-10, -5) is [tex](x-4)^2 + (y-8)^2 = (6)^2.[/tex]
To find this equation, we need to use the distance formula: [tex]d = sqrt((x2-x1)^2 + (y2-y1)^2).[/tex]
We can substitute in the coordinates of the center of the circle and the point it passes through:
[tex]d = sqrt((-10-4)^2 + (-5-8)^2)[/tex]
[tex]d = sqrt( (6)^2 + (13)^2 )[/tex]
d = sqrt(36 + 169)
d = sqrt(205)
d = 14.2
Now, we have the radius of the circle. We can use this to form the equation of the circle:
[tex](x-4)^2 + (y-8)^2 = (14.2)^2[/tex]
[tex](x-4)^2 + (y-8)^2 = (6)^2[/tex]
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Math part 4 question 4
The function shown in graph is nether odd nor even function.
Explain about the odd and even function?If f(−x)=f(x) for all x with in domain of f, then a function f is even. If f(x)=f(x) for every x in f's domain, a function f is odd.
An even function has a graph that is symmetrical when compared towards the y-axis. An odd function's graph is symmetric with regard to the origin. After thought about the y-axis, the graph of the even function remains unchanged. An odd function's graph is oriented in opposite directions but is located at a comparable distance from the origin. We can visually distinguish between evenly balanced odd functions using the same criterion.In the given graph.
The graph of the function is nether increasing nor decreasing as, the y value of the function is going along both y - axis and -y axis.
Thus, the function shown in graph is nether odd nor even function.
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Make a table comparing a parallelogram, a rectangle, a square, a rhombus, a kite, and a trapezoid, with both descriptions and sketches, including markings for congruency. All work should be original
We have compared a parallelogram, a rectangle, a square, a rhombus, a kite, and a trapezoid, with type, descriptions, and properties.
What is congruency?
The term “congruent” means exactly equal shape and size. This shape and size should remain equal, even when we flip, turn, or rotate the shapes.
Parallelogram: A four-sided shape with opposite sides parallel. Opposite sides are parallel, opposite angles are congruent, diagonals bisect each other.
Rectangle: A four-sided shape with four right angles.
Opposite sides are parallel and congruent, all angles are right angles, diagonals are congruent and bisect each other.
Square: A four-sided shape with four congruent sides and four right angles.
All sides are congruent, all angles are right angles, diagonals are congruent and bisect each other.
Rhombus: A four-sided shape with four congruent sides. All sides are congruent, opposite angles are congruent, diagonals bisect each other, and are perpendicular bisectors of each other.
Kite: A four-sided shape with two pairs of adjacent sides congruent. Diagonals are perpendicular, one diagonal bisect the other, opposite angles are congruent.
Trapezoid: A four-sided shape with one pair of parallel sides.
One pair of opposite sides are parallel, non-parallel sides may or may not be congruent, and diagonals intersect at a point inside the trapezoid.
Hence, we have compared a parallelogram, a rectangle, a square, a rhombus, a kite, and a trapezoid, with type, descriptions, and properties.
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Select the correct answer. A parabola declines through (negative 2, 4), (negative 1 point 5, 2), (negative 1, 1), (0, 0) and rises through (1, 1), (1 point 5, 2) and (2, 4) on the x y coordinate plane. The function f(x) = x2 is graphed above. Which of the graphs below represents the function g(x) = (x + 1)2? A parabola declines through (negative 2, 5), (negative 1 point 5, 3), (negative 1, 2), (0, 1) and rises through (1, 2), (1 point 5, 3) and (2, 5) on the x y coordinate plane. W. A parabola declines through (negative 2, 3), (negative 1 point 5, 1), (1, 0), (0, negative 1) and rises through (1, 1), (1 point 5, 1) and (2, 2) on the x y coordinate plane. X. A parabola declines through (negative 3, 4), (negative 2 point 5, 2), (negative 2, 1), (negative 1, 0), (0, 1), (0 point 5, 2) and (1, 4) on the x y coordinate plane. Y. A parabola declines through (negative 1, 4), (negative 0 point 5, 2), (0, 1) and (1, 0) and rises through (2, 1), (2 point 5, 2) and (3, 4) on the x y coordinate plane. Z. A. W B. X C. Y D. Z
Using analyzing functions, The correct answer is B. X. A parabola declines through (negative 3, 4), (negative 2 point 5, 2), (negative 2, 1), (negative 1, 0), (0, 1), (0 point 5, 2) and (1, 4) on the x y coordinate plane.
What are the analyzing functions?Studying a mathematical function's characteristics and behavior is the process of doing an analysis of a function.
Telling a function's story involves detailing all of its attributes and features.
When you analyze a function, you are telling your side of the story and outlining how you came to your conclusions.
A thorough study involves global information from graphs and precise information from algebra. The graphical and algebraic data should be in agreement, so you may use either to support the other as you do the analysis.
The function [tex]g(x) = (x + 1)^2[/tex] is a vertical shift of the function [tex]f(x) = x^2[/tex]. The vertex of the parabola representing g(x) is shifted one unit to the left, and one unit up.
The graph for option X matches these specifications and passes through the given points, so it represents the function g(x) = [tex](x + 1)^2.[/tex]
Hence, The correct answer is B. X.
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i need help with this. can someone please help.
The area of the circle is 490. 625 cm²
How to determine the valueThe formula for calculate the circumference of a circle is expressed as;
C = 2πr
Given that;
C is the circumference of the circleπ is a constant valuer is the radius of the circleFrom the information given, we have that;
Substitute the value of the circumference
25π = 2πr
Divide by the coefficient of r
r = 12. 5cm
Area of a circle = πr²
Substitute the values
Area = 3.14 × (12.5)²
Find the square
Area = 490. 625 cm²
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PLSSSS HELP IF YOU TURLY KNOW THISSS
Answer: x=-6
Step-by-step explanation:
8x+14=4x-10
-4x -4x
4x+14=-10
-14 -14
4x=-24
/4 /4
x=-6
Given:-
[tex] \tt \: 8x + 14 = 4x - 10[/tex][tex] \: [/tex]
Solution:-
[tex] \tt \: 8x + 14 = 4x - 10[/tex][tex] \: [/tex]
[tex] \tt \: 8x - 4x = -10 - 14[/tex][tex] \: [/tex]
[tex] \tt \: 4x = -24[/tex][tex] \: [/tex]
[tex] \tt \: x = \cancel\frac{ - 24}{4} [/tex][tex] \: [/tex]
[tex] \boxed{ \tt{ \purple{ \: x = -6 \: }}}[/tex][tex] \: [/tex]
━━━━━━━━━━━━━━━━━━━━
hope it helps ⸙
Line t is shown in the coordinate plane. -6-5 -6 5 -4 2 -1 -2-10 3 4 5 6 X A. What is the slope of line t? B. What is the y intercept? C. Line s (not shown) has the same slope and passes through the point (0,4).Draw a table representing points on line s? D. Which equation could represent line s? i.y = -x + 4 ii. y = -3x +4 iii. y= 3x + 4 iv. y=1/3x +4
The slope of line t is equal to 1/3.
The y-intercept of line t is equal to -1.
A table representing points on line s is shown below.
An equation that could represent line s is: IV. y = 1/3x +4.
How to calculate the slope of a line?In Mathematics, the slope of any straight line can be determined by using this mathematical equation;
Slope (m) = (Change in y-axis, Δy)/(Change in x-axis, Δx)
Slope (m) = (y₂ - y₁)/(x₂ - x₁)
Slope, m = (0 - (-1))/(3 - 0)
Slope, m = 1/3
Based on the graph, the y-intercept of t is at point (0, -1)
Additionally, a table representing points on line s is given by;
x y
-6 2
-3 3
0 4
3 5
Since line s has the same slope and passes through the point (0, 4), an equation that represents it is given by;
y = mx + c
y = x/3 + 4.
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Use a double angle, half angle, or power reducing formula to rewrite cos^4(x)sin^2(x) without exponents.
The expression [tex]cos^4(x)sin^2(x)[/tex] can be rewritten without exponents as [tex]cos^2(x) - (\frac{1}{2} )cos^4(x)[/tex].
The double angle, half angle, or power-reducing formula can be used to rewrite [tex]cos^4(x)sin^2(x)[/tex] without exponents. One of the approaches to rewriting is by applying the power-reducing formula. The power-reducing formula is a trigonometric identity that is used to reduce powers of sine and cosine functions.
To rewrite [tex]cos^4(x)sin^2(x)[/tex] without exponents, you can use the power reducing formula. This formula states that:
[tex]cos^2(x)*sin^2(x) = (\frac{1}{2} )(1-cos(2x))[/tex]
We can use this formula to break down [tex]cos^4(x)sin^2(x)[/tex] as follows:
[tex]cos^4(x)sin^2(x) = cos^2(x)sin^2(x)cos^2(x) = (\frac{1}{2} )(1-cos(2x))cos^2(x)[/tex]
Next, we can use the double angle formula, which states that:
[tex]cos(2x) = 2cos^2(x) - 1[/tex]
Plugging this into our equation, we get:
[tex]cos^4(x)sin^2(x) = (\frac{1}{2} )(1-2cos^2(x)+1)cos^2(x) = cos^2(x) - (\frac{1}{2} )cos^4(x)[/tex]
Therefore, the expression [tex]cos^4(x)sin^2(x)[/tex] can be rewritten without exponents as [tex]cos^2(x) - (\frac{1}{2} )cos^4(x)[/tex].
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The sum of two numbers is 54 and the difference is 2. What are the numbers?
Answer:
25, 27
Step-by-step explanation:
maybe ,,,,,,,,,hhy2u2u
Answer: Sum: 28 + 26 = 54
Difference: 28 - 26 = 2
Step-by-step explanation:
x + y = 54
x + 26 = 54
X = 28
Big ideas 7.5 question
Measure of angles ∠Q,∠T,∠R are 98°, 98°, 82° respectively.
What is isosceles trapezoid?An isosceles trapezoid can be defined as a trapezoid whose non-parallel sides and base angles have the same measure. That is, if the two opposite sides (bases) of a trapezoid are parallel and the two non-parallel sides are of equal length, it is an isosceles trapezoid.
Given,
Isosceles trapezoid QRST
m∠S = 82°
Base angles are equal in Isosceles trapezoid
m∠R = m∠S
m∠R = 82°
and
m∠Q = m∠T
Sum of all interior angles of a quadrilateral is 360°
m∠Q + m∠T + m∠R + m∠S = 360°
m∠Q + m∠Q + 82° + 82° = 360°
2 m∠Q = 360° - 164°
2 m∠Q = 196°
m∠Q = 98°
m∠T = 98°
Hence, 98°, 98°, 82° are measure of angles ∠Q,∠T,∠R respectively.
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Factor the following complex matrices into unitary times upper triangular:
(i) i 1 , (ii) 1+i 2-1 , (iii) i 1 0 , -1 2i 1-i -1 1 i 1
0 1 i
(iv) 1 1 -i
1-i 0 1+i
-1 2+3i 1
The answer is calculated by elementary row operations
To factor the given complex matrices into unitary times upper triangular, you will need to use elementary row operations. Specifically, you can use scaling, addition, subtraction, and multiplication of rows.
(i) i 1:
Row 1: Scale by i
Result: i2 1 = -1 1
(ii) 1+i 2-1:
Row 1: Subtract Row 2
Result: 1 0 -1
Row 2: Scale by i
Result: i 1 -i
(iii) i 1 0 , -1 2i 1-i -1 1 i 1
Row 1: Subtract i times Row 2
Result: 0 1 0 , -1 2i 0 -i -1 0 i
Row 2: Scale by i
Result: 0 1 0 , i 0 -1 -i -1 0 1
Row 3: Subtract Row 1
Result: 0 0 0 , i 0 -1 -i -1 0 1
(iv) 1 1 -i
Row 1: Subtract Row 2
Result: 1 0 -i
Row 2: Scale by i
Result: i 0 1+i
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Find the measurements of X
pt. 2
Answer:
45
Step-by-step explanation:
A population consists of five members 2,3,6,8,1). consider all possible samples of size two which can be doamn with replacement from this positioning population. Find, i) the mean and the standard deviation of the population,
ii) The mean and standard error of sample mean (x) from the sampling distribution of x.
A population consists of five members 2,3,6,8,1). consider all possible samples of size two which can be doamn with replacement from this positioning population. The mean is 4 and standard deviation of the population is 1.67. The mean and standard error of sample mean (x) from the sampling distribution of x is 4 and 1.18 respectively
i) The mean and standard deviation of the population:
Mean = (2+3+6+8+1)/5 = 20/5 = 4
Standard deviation = √[(2-4)²+(3-4)²+(6-4)²+(8-4)²+(1-4)²]/5 = √14/5 = 1.67
ii) The mean and standard error of sample mean (x) from the sampling distribution of x:
Mean of sample mean = Mean of population = 4
Standard error of sample mean = Standard deviation of population/√n = 1.67/√2 = 1.18
The mean of a population is calculated by adding up all the values and dividing by the number of values in the population. The standard deviation of a population is calculated by finding the difference between each value and the mean, squaring those differences, adding them up, and then dividing by the number of values in the population.
The mean of the sample mean is the same as the mean of the population, and the standard error of the sample mean is the standard deviation of the population divided by the square root of the sample size.
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What is the value of x in this triangle? Enter your answer in the box. x = A triangle with angle measures 39 degrees and 102 degrees. The third angle has an unknown measure, x degrees.
Answer:
39°
Step-by-step explanation:
You want to know the measure of the third angle in a triangle with two angles given as 39° and 102°.
Angle sum theoremThe angle sum theorem tells you the sum of angles in a triangle is 180°.
39° +102° +x = 180°
x = 39° . . . . . . . . . . . . subtract 141° from both sides
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Do segments with lengths 11, 12, and 20 form a triangle? If so, classify the triangle as acute, right, or obtuse?
Answer:
Yes, the segments with lengths 11, 12, and 20 can form a triangle.
To check this, we can use the triangle inequality theorem, which states that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side.
In this case, we can check that:
11 + 12 > 20
11 + 20 > 12
12 + 20 > 11
Since all three inequalities are satisfied, the segments can form a triangle.
To classify the triangle, we can use the law of cosines, which relates the lengths of the sides of a triangle to the cosine of one of its angles. Specifically, for a triangle with sides a, b, and c and angle A opposite side a, we have:
c^2 = a^2 + b^2 - 2ab cos(A)
Using this formula, we can find the cosine of each angle and determine if the triangle is acute, right, or obtuse based on the values obtained.
For the given triangle, we have:
a = 11, b = 12, c = 20
cos(A) = (b^2 + c^2 - a^2) / (2bc) = (12^2 + 20^2 - 11^2) / (2 * 12 * 20) ≈ 0.714
Since cos(A) is positive and less than 1, the angle A is acute. Similarly, we can find the cosines of the other angles:
cos(B) = (c^2 + a^2 - b^2) / (2ca) ≈ 0.943
cos(C) = (a^2 + b^2 - c^2) / (2ab) ≈ -0.519
Since cos(B) and cos(C) are both positive and less than 1, angles B and C are also acute.
Therefore, the given triangle is acute.
If the price of cocoa beans goes up, what will happen to the supply of chocolate?
Producers will produce more chocolate
The supply of chocolate will remain unchanged
Producers will offer less chocolate to the market
The demand for chocolate will immediately increase
Answer:
producers Will grow more chocolate.
Fill in the missing value. 4:9 = ? : 36
i think it may be 16:36
explanation: if the 9 was multiplied by 4 which 9x4 is 36 it means that the 4 for the 4:9 will probably end up 16 hence 4x4 is 16 making the answer probably 16:36 to my own understanding
Suppose that a distribution is normal, with mean =10 and standard deviation =3. Two samples a and b, each of length N, are independently drawn from this distribution. For which of the following operations on a and b will the resulting distribution also be normal?
If the distribution is normal, state this and provide exact mathematical expressions (integer, fraction, radical, etc.) for the mean, median, and standard deviation of the new distribution (do not use a decimal). If the distribution is not normal, use R to numerically estimate the values and express the result as a decimal (at least 3 significant figures).
Summarize your results in a table similar to the one given below. (Note that some quantities may not be well-defined mathematically. You do not have to check for this, but you can mark possible cases with asterisks.)
Yes, the distribution of a and b is normal, with mean μ=10, median m=10, and standard deviation σ=3.
The resulting distribution of a+b, a-b, a*b, and a/b will also be normal, with the following values:
Operation
Mean
Median
Standard Deviation
a+b
μ=20
m=20
σ=√6
a-b
μ=0
m=0
σ=√6
a*b
μ=100
m=100
σ=30
a/b
μ=3
m=3
σ=1
Learn more about resulting distribution
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