Question: Statistics

Question:Statistics

Kechter 2

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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