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A professor at a local community college is interested in studying the amount of hours that a college student works per week. If the professor would like to construct a 99% confidence interval for the mean hours worked per week by college students within 1.4 hours, what sample size would the professor need? A previous study found that the standard deviation for the amount of hours students work per week was 3.19 hours.

A professor at a local community college is interested in studying the amount of hours that a college student works per week. If the professor would like to construct a 99% confidence interval for the mean hours worked per week by college students within 1.4 hours, what sample size would the professor need? A previous study found that the standard deviation for the amount of hours students work per week was 3.19 hours.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
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A professor at a local community college is interested in studying the amount of hours that a college student works per week. If the professor would like to construct a 99% confidence interval for the mean hours worked per week by college students within 1.4 hours, what sample size would the professor need? A previous study found that the standard deviation for the amount of hours students work per week was 3.19 hours.
Transcribed Image Text:A professor at a local community college is interested in studying the amount of hours that a college student works per week. If the professor would like to construct a 99% confidence interval for the mean hours worked per week by college students within 1.4 hours, what sample size would the professor need? A previous study found that the standard deviation for the amount of hours students work per week was 3.19 hours.
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