8.13 Suppose that a random sample of size 64 is to be selected from a population...

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8.13 ▼ Suppose that a random sample of size 64 is to be selected from a population with mean 40 and standard deviation 5.

a. What are the mean and standard deviation of the x sampling distribution? Describe the shape of the x sampling distribution.

b. What is the approximate probability that x will be within 0.5 of the population mean m? (Hint:
See Examples 8.5 and 8.6.)

c. What is the approximate probability that x will differ from m by more than 0.7?

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Introduction To Statistics And Data Analysis

ISBN: 9781305445963

5th Edition

Authors: Roxy Peck, Chris Olsen, Jay L Devore

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Question Posted: Sep 14, 2024 12:01 PM

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8.13 Suppose that a random sample of size 64 is to be selected from a population...

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Introduction To Statistics And Data Analysis

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