At the time she was hired as a server at the Grumney Family Restaurant, Beth Brigden was told, “You can average $82 a day in tips.” Assume the population of daily tips is normally distributed with a standard deviation of $3.26. Over the first 44 days she was employed at the restaurant, the mean daily amount of her tips was $84.61. At the 0.02 significance level, can Ms. Brigden conclude that her daily tips average more than $82? a) State the null hypothesis and the alternate hypothesis.b) State the decision rule.c) Compute the value of the test statistic. (Round your answer to 2 decimal places.)

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Asked Nov 18, 2019
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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 $82 a day in tips.” Assume the population of daily tips is normally distributed with a standard deviation of $3.26. Over the first 44 days she was employed at the restaurant, the mean daily amount of her tips was $84.61. At the 0.02 significance level, can Ms. Brigden conclude that her daily tips average more than $82?

 

a) State the null hypothesis and the alternate hypothesis.

b) State the decision rule.

c) Compute the value of the test statistic. (Round your answer to 2 decimal places.)

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It is given that the population standard deviation is 3.26...

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