The number of hours of reserve capacity of 10 randomly selected automotive batteries is shown to the right. 1.71 1.87 1.58 1.61 1.78 1.98 1.36 1.58 1.47 2.05 Assume the sample is taken from a normally distributed population. Construct 98% confidence intervals for (a) the population variance o2 and (b) the population standard deviation o. (a) The confidence interval for the population variance is ( ). (Round to three decimal places as needed.)
The number of hours of reserve capacity of 10 randomly selected automotive batteries is shown to the right. 1.71 1.87 1.58 1.61 1.78 1.98 1.36 1.58 1.47 2.05 Assume the sample is taken from a normally distributed population. Construct 98% confidence intervals for (a) the population variance o2 and (b) the population standard deviation o. (a) The confidence interval for the population variance is ( ). (Round to three decimal places as needed.)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Construct 98% confidence intervals for the a) population variance and the b)population standard deviation
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