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harkovskaia [24]
3 years ago
6

What is the relationship between the expected value of the sample mean and the expected value of the population?

Mathematics
1 answer:
SSSSS [86.1K]3 years ago
3 0

Answer:

The expected value of the sample mean is the population mean, and the SE of the sample mean is the SD of the population, divided by the square-root of the sample size

Step-by-step explanation:

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Part A: Solve –vp + 40 < 95 for v. Show your work. Part B: Solve 8w – 3r = 45 for r. Show your work.
Darya [45]

Part a

-vp + 40<95

-vp +40-40 <95-40

-vp < 55

-vp/p < 55/p

-v< 55/p

(-1)(-v) < (-1) (55/p)

v< -55/p


Part b

8w-3r=45

8w-8w-3r = 45-8w

-3r = 45-8w

-3r/-3 = 45-8w/-3


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3 years ago
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4 years ago
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musickatia [10]

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Step-by-step explanation:

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7 0
3 years ago
What is the rate of change for a linear function that passes through the points (8, -10) and (-6, 14)
Anna71 [15]

Answer: m=-1.714

Step-by-step explanation:

By definition, the slope of the line is described as "Rate of change".

You need to use the following formula to calcualte the slope of the line;

m=\frac{y_2-y_1}{x_2-x_1}

In this case you know that the line passes through these two points: (8, -10) and (-6, 14).

Then, you can say that:

y_2=-10\\y_1=14\\\\x_2=8\\x_1=-6

Knowing these values, you can substitute them into the formula for calculate the slope of a line:

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Finally, you must evaluate in order to find the slope of this line. You get that this is:

m=\frac{-24}{8+6}\\\\m=\frac{-24}{14}\\\\m=-\frac{12}{7}\\\\m=-1.714

8 0
4 years ago
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