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(Solved): A bank manager wants to know the mean amount of mortgage paid per month by homeowners in an area. A ...



A bank manager wants to know the mean amount of mortgage paid per month by homeowners in an area. A random sample of 111 homeowners selected from this area showed that they pay an average of

$1574

per month for their mortgages. The population standard deviation of such mortgages is

$213

. a. Find a 95% confidence interval for the mean amount of mortgage paid per month by all homeowners in this area. Round your answers to two decimal places. to dollars



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