50. Young Adult magazine states the following hypotheses about the mean age of its subscribers. Howe = 28 Hazy, as 28 a. What would it mean to make a Type I] error in this situation? in. The population standard deviation is assumed known at a = 6 years and the sample size is 100. With a = .05, what is the probability of accepting H0 for u equal to 26, 2'7, 29, and 30? e. What is the power at ,u = 26? What does this result tell you