In 1988, a study followed 89 sedentary men for a year. 42 men were on a diet, and the remaining 47 were on an exercise routine. The group on the diet lost 7.2 kg on average, with a standard deviation of 3.9 kg. Construct a 99.7% confidence interval for the true average number of kg lost on diet.
In 1988, a study followed 89 sedentary men for a year. 42 men were on a diet, and the remaining 47 were on an exercise routine. The group on the diet lost 7.2 kg on average, with a standard deviation of 3.9 kg. Construct a 99.7% confidence interval for the true average number of kg lost on diet.
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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Transcribed Image Text:In 1988, a study followed 89 sedentary men for a year. 42 men were on a diet, and
the remaining 47 were on an exercise routine. The group on the diet lost 7.2 kg on
average, with a standard deviation of 3.9 kg. Construct a 99.7% confidence interval
for the true average number of kg lost on diet.
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