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A survey of51randomly selected homeowners finds that they spend a mean of $67per month on home maintenance. Construct a 99%confidence interval for the mean amount

A survey of51randomly selected homeowners finds that they spend a mean of $67per month on home maintenance. Construct a 99%confidence interval for the mean amount of money spent per month on home maintenance by all homeowners. Assume that the population standard deviation is $15per month. Round to the nearest cent.

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