A random sample of size n = 100 is taken from a population of size N =

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A random sample of size n = 100 is taken from a population of size N = 2,500 with mean μ = −45 and variance σ² = 81.

a. Is it necessary to apply the finite population correction factor? Explain. Calculate the expected value and the standard error of the sample mean.

b. What is the probability that the sample mean is between −47 and −43

c. What is the probability that the sample mean is greater than −44?

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Business Statistics Communicating With Numbers

ISBN: 9781259957611

3rd Edition

Authors: Sanjiv Jaggia

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Question Posted: May 06, 2019 05:16 AM

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A random sample of size n = 100 is taken from a population of size N =

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a Ex 45 se x 81100 090 It is not necess...View the full answer

Business Statistics Communicating With Numbers

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