Internet Viewing A researcher wishes to estimate the average number of minutes per day a person spends on the Internet. How large a sample must she select If she wishes to be 95% confident that the population mean is within 12 minutes of the sample mean? Assume the population standard devlation is 4. minutes. Round your final answer up to the next whole number. The researcher needs a sample of at least people.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.5: Interpreting Data
Problem 4E
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Internet Viewing A researcher wishes to estimate the average number of minutes per day a person spends on the Internet. How large a sample must she
select If she wishes to be 95% confident that the population mean is within 12 minutes of the sample mean? Assume the population standard devlation is 42
minutes. Round your final answer up to the next whole number.
The researcher needs a sample of at least
people.
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Transcribed Image Text:Internet Viewing A researcher wishes to estimate the average number of minutes per day a person spends on the Internet. How large a sample must she select If she wishes to be 95% confident that the population mean is within 12 minutes of the sample mean? Assume the population standard devlation is 42 minutes. Round your final answer up to the next whole number. The researcher needs a sample of at least people. Save For Later Submit Assignmen Continue 2021 McGraw-Hill Education All Rights Reserved Cerms of Use Privacy Accessibilit 721 23 3 7\ e f h V. alt A360 の YOUR SMM . Chromebook.
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