Question 6 1 pts Sampling Distribution 1. A college's data about the incoming freshmen finds that the mean of their high school GPA was 3.5 with a standard deviation of .35. A random sample of 30 incoming freshman randomly assigned to freshman writing seminars is gathered. a) Is this a means or proportions problem? You have drawn a sample of n = 30, find mean and sd for b) Is the normal distribution appropriate in this context? If yes why? c) Find the probability that the sample mean GPA is greater than 3.7 d) Find the 85% Confidence Interval for the true GPA e) Could you have used the T-distribution in this problem. If yes, what would have changed in the CI ? Edit View Insert Format Tools Table