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At the time she was hired as a server at the Grumney Family Restaurant, Beth Brigden was told, You can average $73 a day in
At the time she was hired as a server at the Grumney Family Restaurant, Beth Brigden was told, "You can average $73 a day in tips." Assume the population of daily tips is normally distributed with a standard deviation of $4.38. Over the first 35 days she was employed at the restaurant, the mean daily amount of her tips was $74.23. At the 0.01 significance level, can Ms. Brigden conclude that her daily tips average more than $73? a. State the null hypothesis and the alternate hypothesis. OHH73; H <73 oh>73, H =73 OH H73; H >73 OH-73; Hu#73 b. State the decision rule. O Reject H, if z> 2.33 O Reject Hy if z <2.33 O Reject H, if z> 2.33 O Reject H, if z <2.33 c. Compute the value of the test statistic. (Round your answer to 2 decimal places.) d. What is your decision regarding Ho? O Do not reject He O Reject He e. What is the p-value? (Round your answer to 4 decimal places.) p-value
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