Question: A cellular phone company is interested in estimating the difference between the mean ages of females and males who have contracts for cellular phones with

A cellular phone company is interested in estimating the difference between

A cellular phone company is interested in estimating the difference between the mean ages of females and males who have contracts for cellular phones with their company. Results from independent random samples of customers are shown below along with the population standard deviation of ages for each gender. Sample size Sample mean Population standard deviation What is the 95% condence interval estimate for the difference between the mean ages of the male and female customers

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