![]() Conduct the following test of hypothesis using the 0.05 significance level. The sample mean is 31, and the population standard deviation is 5. (Round your answer to 2 decimal places.) Value of the test statistic d.What is your decision regarding H0? Reject H0Do not reject H0e.What is the p-value? (Round your answer to 4 decimal places.) p-value 2.A sample of 39 observations is selected from a normal population. Reject H1 if z 1.28Reject H0 if z 1.28c.Compute the value of the test statistic. ![]() Brigden conclude that her daily tips average more than $88?a.State the null hypothesis and the alternate hypothesis. ![]() Over the first 50 days she was employed at the restaurant, the mean daily amount of her tips was $89.93. At the time she was hired as a server at the Grumney Family Restaurant, Beth Brigden was told, “You can average $88 a day in tips.” Assume the population of daily tips is normally distributed with a standard deviation of $2.50.
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