Determine the credit score values:
The credit score of a 35 year old applying for a mortgage at Ulysses Mortgage Associates is normally distributed with a mean of 600 and a standard deviation of 100.
(a) Find out the credit score that defines the upper 5 percent. (Round the answer to 4 decimal places.)
(b) Seventy-five percent of the customers will have a credit score higher than what value? (Round the answer to 4 decimal places.)
(c) Within what range would the middle 80 percent of credit scores lie? (Round the answers to 4 decimal places.)