A magazine article claims that the average cost for a take-out lunch is $9.22. You randomly select a sample of 38 take-out restaurants, and look up the price of their most popular lunch combo. You find an average of $10.08. Assume a population standard deviation of $2.13. a. State the null and alternative hypothesis for the claim that the average cost for a take-out lunch is $9.22. Ho: ? ______9.22 Ha: ? ______ 9.22   b. The _______  hypothesis is the claim. c. The goal of the test is to _______   the claim.

Q: (b) Find the critical value(s) and identify the rejection region(s). The critical value(s) is/are

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Q: (b) Find the cntical value(s) and identity the rejection region(s). The critical value(s) is/are.…

A: Here AS PER POLICY I HAVE CALCULATED 3 SUBPART PLZ REPOST FOR REMAINING PARTS

Q: fou want to buy a washing machine, and a salesperson tells you that the mean repair costs for Model…

A: Solution: Given information: n1=20 Sample size of model An2=21 Sample size of model Bx1=$211 Sample…

Q: At a=0.05, what is the critical value? -1.984 1.66 -1.645 -1.66

A:

Q: You want to buy a washing machine, and a salesperson tells you that the mean repair costs for Model…

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A: Mean=M=24.8, Standard deviation=S=6.2

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Q: The systolic blood pressure of adults in the USA is nearly normally distributed with a mean of 122…

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A: Given : μ = 13.04X = 12.75s = 2n = 100

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Q: Suppose that the average gregariousness score for the entire U.S. population is 70. The head…

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