In a random sample of 2323 ​people, the mean commute time to work was 33.833.8 minutes and the standard deviation was 7.27.2 minutes. Assume the population is normally distributed and use a​ t-distribution to construct a 8080​% confidence interval for the population mean muμ. What is the margin of error of muμ​? Interpret the results.       Question content area bottom Part 1 The confidence interval for the population mean muμ is left parenthesis nothing comma nothing right parenthesis .enter your response here,enter your response here. ​(Round to one decimal place as​ needed.) Part 2 The margin of error of muμ is enter your response here. ​(Round to one decimal place as​ needed.)

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 13PPS
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Question
In a random sample of
2323
​people, the mean commute time to work was
33.833.8
minutes and the standard deviation was
7.27.2
minutes. Assume the population is normally distributed and use a​ t-distribution to construct a
8080​%
confidence interval for the population mean
muμ.
What is the margin of error of
muμ​?
Interpret the results.
 
 
 

Question content area bottom

Part 1
The confidence interval for the population mean
muμ
is left parenthesis nothing comma nothing right parenthesis .enter your response here,enter your response here.
​(Round to one decimal place as​ needed.)
Part 2
The margin of error of
muμ
is
enter your response here.
​(Round to one decimal place as​ needed.)
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