6.1.35
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You are given the sample mean and the population standard deviation...
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6.1.35
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You are given the sample mean and the population standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population mean Interpret the
results and compare the widths of the confidence intervals. If convenient, use technology to construct the confidence intervals.
A random sample of 60 home theater systems has a mean price of $131.00. Assume the population standard deviation is $16.10.
Construct a 90% confidence interval for the population mean
The 90% confidence interval is ( )
(Round to two decimal places as needed)
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