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A study examines the mean height of 16-year-old male teenagers. Based on a sample of size 144, the 99% confidence interval (in inches) for the mean height of the population is 65.7 < µ < 67.3. If you want to construct the 95% confidence interval instead, what is the upper bound value of 95% confidence interval? Round to one decimal place (e.g. 62.1).

A study examines the mean height of 16-year-old male teenagers. Based on a sample of size 144, the 99% confidence interval (in inches) for the mean height of the population is 65.7 < µ < 67.3. If you want to construct the 95% confidence interval instead, what is the upper bound value of 95% confidence interval? Round to one decimal place (e.g. 62.1).

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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A study examines the mean height of 16-year-old male teenagers. Based on a sample of size 144, the 99% confidence interval (in inches) for the mean height of the population is 65.7 < µ < 67.3. If you want to construct the 95% confidence interval instead, what is the upper bound value of 95% confidence interval? Round to one decimal place (e.g. 62.1). Question 18 Assume that the weight loss for the first month of a diet program varies between 4 pounds and 11 pounds, and is spread evenly over the range of possibilities, so that there is a uniform distribution. If 64 persons participate in the diet program and their weight losses of the first month all follow the above uniform distribution, what is the probability that the average of weight loss of these 64 persons is greater than 8? (Round to four decimal places)
Transcribed Image Text:A study examines the mean height of 16-year-old male teenagers. Based on a sample of size 144, the 99% confidence interval (in inches) for the mean height of the population is 65.7 < µ < 67.3. If you want to construct the 95% confidence interval instead, what is the upper bound value of 95% confidence interval? Round to one decimal place (e.g. 62.1). Question 18 Assume that the weight loss for the first month of a diet program varies between 4 pounds and 11 pounds, and is spread evenly over the range of possibilities, so that there is a uniform distribution. If 64 persons participate in the diet program and their weight losses of the first month all follow the above uniform distribution, what is the probability that the average of weight loss of these 64 persons is greater than 8? (Round to four decimal places)
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