Posted by **Lesley** on Wednesday, April 10, 2013 at 8:36pm.

The average monthly mortgage payment including principal and interest is $982 in the United States. If the standard deviation is approximately $180 and the mortgage payments are approximately normally distributed, find the probability that a randomly selected monthly payment is:

a. More than $1000

b. More than $1475

c. Between $800 and $1150

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