A bank manager wants to know the mean amount of mortgage paid per month by homeowners in an area. A random sample of 115 homeowners selected from this area showed that they pay an average of $1577 per month for their mortgages. The population standard deviation of such mortgages is $208.Find a 97% confidence interval for the mean amount of mortgage paid per month by all homeowners in this area.Round your answers to two decimal places.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
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A bank manager wants to know the mean amount of mortgage paid per month by homeowners in an area. A random sample of 115 homeowners selected from this area showed that they pay an average of $1577 per month for their mortgages. The population standard deviation of such mortgages is $208.
Find a 97% confidence interval for the mean amount of mortgage paid per month by all homeowners in this area.
Round your answers to two decimal places.

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