Probability based on the Normal distribution.
The amounts of money requested in home loan applications at ABC Federal Savings are about normally distributed with a mean of $70,000 and a standard deviation of $20,000. A loan application is received this morning. What is the probability that:
a. The amount requested is $80,000 or more?
b. The amount requested is between $65,000 and $80,000?
c. The amount requested is between $65,000 or more?
d. Twenty percent of the loans are larger than what amount?