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Question 4 10/ 10 pts A survey found that 78% of the men questioned preferred computer-assisted instruction to lecture and 68% of the women preferred computer-assisted instruction to lecture. There were 100 randomly selected individuals in each sample. Find the 95% confidence interval for the difference of the two proportions. -0.022 < p1-p2 < 0.222 0.013 < p1 - p2 < 0.133 Question 5 10/ 10 pts For the samples summarized below, test the hypothesis that the two variances are equal, at alpha = 0.05. | Sample 1 SC?IGZ Sample variance 21 Sample size 9 19 Reject the hypothesis because the test value 6.89 is greater than the critical value 2.88 Reject the hypothesis because the test value 2.63 is less than the critical value 2.88 Do not reject the hypothesis because the test value 6.89 is greater than the critical value 3.01 Do not reject the hypothesis because the test value 2.63 is less than the critical value 3.01.