An SRS of size 100 is taken from a population having proportion 0.7 successes. An independent SRS of size 200 is taken from a population having proportion 0.3 successes. The sampling distribution for the difference in sample proportions has what standard deviation?

Answer:

96 degrees

Step-by-step explanation:

a

Answer:

C

Step-by-step explanation:

Answer:

The points from the left;

71, 74 , 77, 80, 83, 86 , 89

Step-by-step explanation:

Here, we want to label the normal curve given the mean and the standard deviation

From what we have, the central part is the mean while the other parts are deviations from the mean

We will label the graph starting from the left to the right

1 is 3 SD from the mean (negatively)

That will be 80-3(3) = 80-9 = 71

2 is 2 SD away

That will be;

80 -2(3) = 80-6 = 74

The 3rd part is 1 SD away

That will be 80-3 = 77

The midpoint is for the mean which is 80

The point after this will be;

80 + 3 = 83

The point after this will be;

83 + 3 = 86

Next is

86 + 3 = 89

9514 1404 393

Answer:

  f(x) = -2|x| +1

Step-by-step explanation:

The vertical translation is 1 unit upward, and there is no horizontal translation. So, the function will be something of the form ...

  f(x) = a|x| +1

The slopes of the lines have a rise/run with a magnitude of 2/1, so the value of 'a' will have a magnitude of 2. The appropriate choice is ...

  f(x) = -2|x| +1

Answer:

x=55degree because x+25=80 so x=55

Answer:

55°

Step-by-step explanation:

This is because that angle is 80° but is split into two and 80-25=55

Answer:

I will not give you an answer, but I will give you how too get the equation started.

Step-by-step explanation:

set up an equation using:

x= amount invested at 3%

7800 - x = amount invested at 12%

.03(x) + .12(7800 - x) = 504

.03x +936 - .12x = 504

-.09x = -432

x = 4800

Answer:

-9x+7

Step-by-step explanation:

Answer:

9.5 hours

Step-by-step explanation:

Answer:

-2x-6

Step-by-step explanation:

-2(x+3) =

According to the distributive property:

(-2*x) + (-2*3) =

-2x - 6

Answer:

The average rate of change on the given interval is 9/70

Step-by-step explanation:

Here, we are to find the average rate of change of the function on the given interval

We proceed as follows;

on an interval [a,b] , we can find the average rate of change using the formula;

f(b) - f(a)/b-a

From the question;

a = 0

b = 3

f(0) = -3/5

f(3) = -3/14

Substituting the values, we have;

-3/14-(-3/5)/3-0

= 3/5-3/14/3

= (42-15)/70/3

= 27/70/3

= 27/70 * 1/3 = 9/70

Answer:

1. x = 1.5 rpm

2. x ≈ 0.8182 mi/hr

3. x = 6.6 feet

4. x = 4224 rpm

5. x = 390 rpm

Step-by-step explanation:

The relationship between angular speed and linear speed is given as follows;

Angular speed, ω = Linear speed, v/(Radius, r)

Therefore, we have;

1. When v = 12 cm/min = r = 8 cm , ω = 12/8 = 1.5 rpm

2. When, ω = 4 rpm, and  r = 18 feet, v = 4 × 18 = 72 feet/min ≈ 0.8182 mi/hr

3. When, ω = 800 rpm, and v = 60 mi/hr = 1 mi/min, r = x = 1/800 miles = 6.6 feet

4. When v = 60 mi/hr = 63,360 mi/min, r = 15 in , ω = 63360/15 = 4224 rpm

5. When v = 13 in/sec = 780 in/min, r = 2 in, ω = 780/2 = 390 rpm

Answer:

D. x=1

Step-by-step explanation:

Image can be rewritten as 3x + 6 = 9.

Solve for x.

3x +6 = 9

Isolate x by subtracting 6 from both sides.

3x = 3

Get rid of the 3 by dividing by 3 on both sides.

x = 1

Hope this helped.

Answer:

B. -3,072

Step-by-step explanation:

Answer:

median is 10 or 12 and the mean is 10.6

Step-by-step explanation:

7, 8, 10, 12, 13, 14

Answer:

I did the math and I believe that answer is : -12x4-5x

Step-by-step explanation:

23, f(x) = 4x- 25, f(x) = x2-3x + 10 26. 27. f(x) 3x2 29, f(x) = 2x3-5x2 + 4x-1 30. f(x) = x3-3x2 31, f(x)--2x3-8x2 + 6x + 36 28, f(x) = x3-x2-x + 1 For each function use the leading coefficient test to determine whether y → oo or y →-oo as x → oo. 33, y=2x3-x2 + 9 35. y =-3x4 + 5 34. y=-3x + 7 36, y = 6x4-5x2-1 38, y = 5x-7x4 37. y=x-3x3 For each function use the leading coefficient test to determine whether y → or y →

Answer:

pls state the question in another state

Step-by-step explanation:

okay

Answer:

f(-5) = -25

Step-by-step explanation:

f(-5) = -(-5)^2

f(-5) = -25

hope this helps, pls mark brainliest :D

Answer:

y = 65x + 250

Step-by-step explanation:

Let the linear equation representing the relation between total pay and number of computers sold be,

y = mx + c

Here, m = commission on every computer sold = slope of the linear function

c = weekly salary

y = total pay

x = number of computer sold each week

Since, slope of the line passing through two points [tex](x_1,y_1)[/tex] and [tex](x_2,y_2)[/tex] is given by,

m = [tex]\frac{y_2-y_1}{x_2-x_1}[/tex]

From the table attached,

Slope of the line passing through (4, 510) and (6, 640),

m = [tex]\frac{640-510}{6-4}[/tex]

   = 65

Equation of the line will be,

y = 65x + c

Since, this line passes through (4, 510),

510 = 65(4) + c

c = 510 - 260

c = 250

Therefore, equation of the line will be,

y = 65x + 250

Answer:

First choice

Step-by-step explanation:

Answer:

y = -5/2x-2

Step-by-step explanation:

A ratio in mathematics demonstrates how many times one number is present in another.

15 basketballs

3:1:4= 8

40/8= 5

3*5=15

1*5=5

4*5=20

15:5:20

To learn more about the ratio refer

https://brainly.com/question/2914376

#SPJ2

Answer:

C) 574.53 foot-pounds

Step-by-step explanation:

got it right on edge :)

Awagon is being pulled by a force of 15 pounds.  the required work done is 574.53 to pull the wagon So, Option C) is correct work done = 574.53.

The work done is product of force and cosine of displacement.

Given; Awagon is being pulled by a force of 15 pounds. We need to find How much work is done in moving the wagon 50 feet if the handle makes an angle of 40° with the ground.

Force = 15 pounds

distance = 50 feet

Ф = 40°

We can calculate the work done as;

work done = force x displacement x cosФ

work done = 15 x 50 x cos40

work done = 15 x 50 x 0.76

work done = 574.53

Therefore, the required work done is 574.53 to pull the wagon.

Learn more about work bhere:

brainly.com/question/9821607

#SPJ6

Answer:

They won't load for me

Step-by-step explanation:

Answer:

Dangggg the best I have seen

Step-by-step explanation:

but this is better

Answer:

the answer is just -2

Step-by-step explanation:

Answer:

-2

Step-by-step explanation:

U would divide 4 by -2

Answer:can see the line

Step-by-step explanation:

if it is linear it is =Ax+By=C

Answer:

11/5 slope

Step-by-step explanation:

5-(-6) -4-(-9)

11/ 5