(a) Let Y = T Show that the cumulative distribution function of Y is 0 ify b) are a = (0.025) 3n and b = (0.975) 3n . (5) (c) Using parts (a) and (b) or otherwise, show that (Y (0.975)-37 , Y(0.025) 37 ) is a 95% confidence interval for 0. Hint: What is P(a