Mathematics, 19.11.2019 01:31 kaliyah91

The mean length for the population of all screws being produced by a certain factory is targeted to be 5 centimeters. assume that you don't know what the population standard deviation is. you draw a sample of 25 screws and calculate their mean length. the mean for your sample is 4.8, and the standard deviation of your sample is 0.4 centimeters. what is the 90% confidence interval for the population mean? round your answer to two decimal places.

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The mean length for the population of all screws being produced by a certain factory is targeted to...