Time Left 24 The following information is obtained from two independent samples selected from two normally distributed populations: n1 = 60, x1 = 52, 01 = 672 - 45, 12 = 56, 02 =5 a) Construct a 97% confidence interval for the difference /1 - /2between the two populations. Test at a 1% significance level if /1 is smaller than /2. b) State hypothesis Ho and H1: A/ c) What distribution do you use in this problem? A/ d) Draw distribution and show rejection region(s). Find critical values. e) Find the test statistic (or observed) value A f) Make a conclusion (do you reject a null hypot