Assume that a sample is used to estimate a population mean u. Find the 90% confidence interval for a sample of size 707 with a mean of 24.7 and a standard deviation of 18.8. Enter your answer as a tri-linear inequality accurate to 3 decimal places. Assume that a sample is used to estimate a population mean u. Find the 90% confidence interval for a sample of size 74 with a mean of 46.2 and a standard deviation of 21.5. Enter your answer as an open- interval (1.e., parentheses) accurate to 3 decimal places. 90% C.I. - The answer should be obtained without any preliminary rounding.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Assume that a sample is used to estimate a population mean u. Find the 90% confidence interval for a
sample of size 707 with a mean of 24.7 and a standard deviation of 18.8. Enter your answer as a tri-linear
inequality accurate to 3 decimal places.
Assume that a sample is used to estimate a population mean u. Find the 90% confidence interval for a
sample of size 74 with a mean of 46.2 and a standard deviation of 21.5. Enter your answer as an open-
interval (1.e., parentheses) accurate to 3 decimal places.
90% C.I.-
The answer should be obtained without any preliminary rounding.
Transcribed Image Text:Assume that a sample is used to estimate a population mean u. Find the 90% confidence interval for a sample of size 707 with a mean of 24.7 and a standard deviation of 18.8. Enter your answer as a tri-linear inequality accurate to 3 decimal places. Assume that a sample is used to estimate a population mean u. Find the 90% confidence interval for a sample of size 74 with a mean of 46.2 and a standard deviation of 21.5. Enter your answer as an open- interval (1.e., parentheses) accurate to 3 decimal places. 90% C.I.- The answer should be obtained without any preliminary rounding.
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