Statistics

The data in the table represents the ages of the winners of an award for the past five years. Use the data to answer questions (D) and  (E)

39     40

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48     48

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42

D.) for a random sample size of 3, what is the chance that the sample mean will equal the population mean.  The probability is_________.

E.) For a random sample of size 3, obtain the probability that the sampling error made is estimating the population mean by the sample will be 2 years or less, that is determine the probability that X will be within 2 years of (mue)u.    The probability is_______

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