Previous Problem Problem List Next Problem (1 point) A random sample of 100 observations from a population with standard deviation 22.87 yielded a sample mean of 93.9 1. Given that the null hypothesis is u = 90 and the alternative hypothesis is u > 90 using a = .05, find the following: (a) Test statistic = (b) P - value: (c) The conclusion for this test is: O A. Reject the null hypothesis O B. There is insufficient evidence to reject the null hypothesis O C. None of the above 2. Given that the null hypothesis is / = 90 and the alternative hypothesis is u * 90 using a =.05, find the following: (a) Test statistic = (b) P - value: (c) The conclusion for this test is