The average monthly mortgage payment is $982, the standard deviation is $180, The mortgage payments are approximately normally distributed, a monthly mortgage is selected at random.

1.The probability that the mortgage payment is more than $1000 is:

a. 0.46b. 0.54c. 0.75

2.The probability that the mortgage payment is less than $1475 is:

a. 0.36b. 0.46c. 0.75

3.The probability that the mortgage payment is between $1000 and $1475 is:

a. 0.357b. 0.457c. 0.543

4.The lowest mortgage payment made by the top 10% of the mortgage holders is:

a. 1162b.1213c. 1342

5.The highest mortgage payment made by the bottom 10% of the mortgage holders is:

a.622b. 751c. 802