Best Buy claims thatr across all their storesr the average price of a desktop computer in the past year was 1515!? dollars. Darryl thinI-ts that Best Buy is understating the true average price. so he decides to test this using a significance level of [3.1. He samples 36 computer prices and gets a sample mean of 1385 dollars and a sample standard deviation of 2'\") dollars. [a] What are the null and alternative hypotheses? [c] Using the statistical table, the pvalue is 0.0135 s pvalue .5 13.01 3 . {cl} Based on the pvalue, Darryl should reject the null hypothesis. l. {e} This data provides 1" sufcient evidence to conclude that Best Buy is not understating the true average price