Best Buy claims that, across all their stores, the average price of a desktop computer in the past year was 1350 dollars. Darryl thinks that Best Buy is understating the true average price, so he decides to test this using a significance level of 0.025. He samples 33 computer prices and gets a sample mean of 1475 dollars and a sample standard deviation of 270 dollars. a) What are the null and alternative hypotheses? Ho:| p s