A pizza place recently hired additional drivers and as a result now claims that its average delivery time for orders is under 45 minutes. Asample of 39 customer deliveries was examined, and the average delivery time was found to be 40.1 minutes. Historically. the standard deviation for delivery time is 11.2 minutes. Using or = 0.05, complete parts a and b below. a. Does this sample provide enough evidence to support the delivery time claim made by the pizza place? Determine the null and alternative hypotheses. H0: pl: Henna 1 The ztest statistic is El. (Round to two decimal places as needed.) The critical z-score(s) is(are) D. (Round to two decimal places as needed. Use a comma to separate answers as needed.) Because the test statistic the null hypothesis. b. Determine the p-value for this test. The pvalue is I]. (Round to three decimal places as needed.)