QUESTION 32 The area between -0.47 and +0.62 standard deviations from the mean under a normal distribution. QUESTION 33 The area between -1.79 and +2.13 standard deviations from the mean under a normal distribution. QUESTION 34 Using pre-test data, a professor found that the average time to complete her exam was normally distributed with a mean of 41 minutes and standard deviation of 10 minutes. What percent of students would be expected to take less than 20 minutes to complete the test? QUESTION 35 In a sample of 1,218 likely voters, 54% would like to increase the minimum wage. What approach is most appropriate to calculate the confidence interval? O CI = X+zox O CI = X+tsx O CI =P+zSp Not this