The lifetimes of Triple X TV Tubes are approximately normally distributed with mean 13.2 years and standard deviation 3.5 years. Consider the distribution of sample means for all samples of 100 Triple X TV tubes. Part A What is the standard error, to two decimal places, of the sample means? Give your answer to two decimal places in the form x.xx Part B And what is the mean of the sample means? Give your answer to one decimal place in the form xx.x or x.x as appropriate
The lifetimes of Triple X TV Tubes are approximately normally distributed with mean 13.2 years and standard deviation 3.5 years. Consider the distribution of sample means for all samples of 100 Triple X TV tubes. Part A What is the standard error, to two decimal places, of the sample means? Give your answer to two decimal places in the form x.xx Part B And what is the mean of the sample means? Give your answer to one decimal place in the form xx.x or x.x as appropriate
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 22SGR
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The lifetimes of Triple X TV Tubes are approximately
Part A
What is the standard error, to two decimal places, of the sample means? Give your answer to two decimal places in the form x.xx
Part B
And what is the mean of the sample means? Give your answer to one decimal place in the form xx.x or x.x as appropriate
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