A Sample of 16 Cookies Is Taken to Test the Claim

question 7

Essay

A sample of 16 cookies is taken to test the claim that each cookie contains at least 9 chocolate chips. The average number of chocolate chips per cookie in the sample was 7.875 with a standard deviation of 1. Assume the distribution of the population is normal.
a.State the null and alternative hypotheses.
b.Using a critical value, test the hypothesis at the 1% level of significance.
c.Using a p-value, test the hypothesis at the 1% level of significance.
d.Compute the probability of a Type II error if the true number of chocolate chips per cookie is 8.

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Definitions:

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Financial benefits derived from tax laws that reduce the amount of tax to be paid by allowing certain deductions, credits, or deferrals.

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The Internal Revenue Service, the United States government agency responsible for tax collection and tax law enforcement.

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A program by which a company buys back its own shares from the marketplace, usually to increase the value of remaining shares.