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Question Suppose the lengths of time taken to complete one section of a standardized test are normally distributed with an unknown population mean and standard deviation. A random sample of 38 test takers is taken and results in a sample mean of 44 minutes and sample standard deviation of 10 minutes. The margin of error, for a 95% confidence interval estimate for the population mean using the Student's t-distribution is 3.29. Find a 95% confidence interval estimate for the population mean using the Student's 1-distribution. • Round the final answers to two decimal places. Provide your answer below: We are 95% confident that the true population mean lies between and

Question Suppose the lengths of time taken to complete one section of a standardized test are normally distributed with an unknown population mean and standard deviation. A random sample of 38 test takers is taken and results in a sample mean of 44 minutes and sample standard deviation of 10 minutes. The margin of error, for a 95% confidence interval estimate for the population mean using the Student's t-distribution is 3.29. Find a 95% confidence interval estimate for the population mean using the Student's 1-distribution. • Round the final answers to two decimal places. Provide your answer below: We are 95% confident that the true population mean lies between and

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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Question Suppose the lengths of time taken to complete one section of a standardized test are normally distributed with an unknown population mean and standard deviation. A random sample of 38 test takers is taken and results in a sample mean of 44 minutes and sample standard deviation of 10 minutes. The margin of error, for a 95% confidence interval estimate for the population mean using the Student's t-distribution is 3.29. Find a 95% confidence interval estimate for the population mean using the Student's 1-distribution. • Round the final answers to two decimal places. Provide your answer below: We are 95% confident that the true population mean lies between and 9 FEEDBACK MORE INSTRUCTION SUBMIT Content attribution * Previous Next 80 DII DD F3 F4 F5 F6 F7 F8 F9 F10 F11 F12
Transcribed Image Text:Question Suppose the lengths of time taken to complete one section of a standardized test are normally distributed with an unknown population mean and standard deviation. A random sample of 38 test takers is taken and results in a sample mean of 44 minutes and sample standard deviation of 10 minutes. The margin of error, for a 95% confidence interval estimate for the population mean using the Student's t-distribution is 3.29. Find a 95% confidence interval estimate for the population mean using the Student's 1-distribution. • Round the final answers to two decimal places. Provide your answer below: We are 95% confident that the true population mean lies between and 9 FEEDBACK MORE INSTRUCTION SUBMIT Content attribution * Previous Next 80 DII DD F3 F4 F5 F6 F7 F8 F9 F10 F11 F12
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