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Math-K300 Spring 2022 Online Kierstyn Cochran 03/27/22 9:35 Homework: Section 6.4 Confidence Intervals for Question 10, 6.4.15-T HW Score: 56.82%, 12.5 of 22 points Variance and Part 1 of 4 Points: 0 of 1 The number of hours of reserve capacity of 10 randomly selected automotive batteries is shown to the right. 1.72 1.88 1.53 1.65 1.72 1.99 1.38 1.56 1.42 2.05 Assume the sample is taken from a normally distributed population, Construct 80% confidence intervals for (a) the population variance of and (b) the population standard deviation o. (a) The confidence interval for the population variance is (.) (Round to three decimal places as needed.)