You work for a consumer advocate agency and want to estimate the population mean cost of replacing
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You work for a consumer advocate agency and want to estimate the population mean cost of replacing a car’s transmission. As part of your study, you randomly select 50 replacement costs and find the mean to be $2650.00. Assume the population standard deviation is $425.00. Construct a 95% confidence interval for the population mean replacement cost. Interpret the results.
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Related Book For
Elementary Statistics Picturing The World
ISBN: 9780321911216
6th Edition
Authors: Ron Larson, Betsy Farber
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