Get solution: Testing Hypotheses. In Exercises 924, assume that a simple random sample

Chapter 8, Problem 9

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Testing Hypotheses. In Exercises 924, assume that a simple random sample has been selected and test the given claim. Unless specified by your instructor, use either the Pvalue method or the critical value method for testing hypotheses. Identify the null and alternative hypotheses, test statistic, Pvalue (or range of Pvalues), critical value(s), and state the final conclusion that addresses the original claim.Chocolate Chip Cookies The Chapter Chapter 3 includes the sample mean of the numbers of chocolate chips in 40 Chips Ahoyreduced fat cookies. The sample mean is x = 19.6 chocolate chips and the sample standard deviation is 3.8 chocolate chips. Use a 0.05 significancelevel to test the claim that Chips Ahoy reducedfat cookies have less fat because they have a mean number of chocolate chips that is less than themean of 24 for regular Chips Ahoy cookies. See the accompanying TI83/84 Plus display that results from this hypothesis test.TI83/84 PLUSd