A random sample of 250 students at a university finds that these students take a mean of 15.2 credit hours per quarter with a standard deviation of 2.3 credit hours. Estimate the mean credit hours taken by a student each quarter using a 95% confidence interval. Round to the nearest thousandth. 15.2 ± 0.285 15.2±0.018 15.2±0.012 O 15.2 ± 0.188
A random sample of 250 students at a university finds that these students take a mean of 15.2 credit hours per quarter with a standard deviation of 2.3 credit hours. Estimate the mean credit hours taken by a student each quarter using a 95% confidence interval. Round to the nearest thousandth. 15.2 ± 0.285 15.2±0.018 15.2±0.012 O 15.2 ± 0.188
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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![A random sample of 250 students at a university finds that these students take a mean of 15.2 credit hours
per quarter with a standard deviation of 2.3 credit hours. Estimate the mean credit hours taken by a student
each quarter using a 95% confidence interval. Round to the nearest thousandth.
15.2 ± 0.285
15.2±0.018
15.2±0.012
O 15.2 ± 0.188](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F857823a7-b0db-4499-b610-f68cd8ac5d45%2Fbd6a4c03-f7bd-4fea-8e9e-b9b0dc6e61f8%2F19jzybh_processed.png&w=3840&q=75)
Transcribed Image Text:A random sample of 250 students at a university finds that these students take a mean of 15.2 credit hours
per quarter with a standard deviation of 2.3 credit hours. Estimate the mean credit hours taken by a student
each quarter using a 95% confidence interval. Round to the nearest thousandth.
15.2 ± 0.285
15.2±0.018
15.2±0.012
O 15.2 ± 0.188
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