Please help.

A carpet company advertises that it will deliver your carpet in 15 days. A sample of 49 past customers is taken. The average delivery time in the sample was 16.2 days. The sample standard deviation is 5.6 days. The level of significance is .01. State your hypothesis Find the critical value Calculate the test statistic State your decision Attach your answer as a JPG or PDF.A group of young businesswomen wish to open a high fashion boutique in a vacant store. The business women believe that the average income of households in the area is $25,000. Data from a random sample of 9 households is show below. The level of significance is .05. State your hypothesis, critical value, test statistic, and decision. Attach your answer as a JPG or PDF. $28,000 $24,000 $26,000 $25,000 $23,000 $27,000 $26,000 $22,000 $24,000