The credit scores of 35-year-olds applying for a mortgage at Ulysses Mortgage Associates are normally distributed with a mean of 540 and a standard deviation of 130.

(a)Find the credit score that defines the upper 15 percent.(Use Excel or Appendix C to calculate thez-value. Round your final answer to 2 decimal places.)

Credit score

(b)Fifty-five percent of the customers will have a credit score higher than what value?(Use Excel or Appendix C for calculation of z-value. Round your final answer to 2 decimal places.)

Credit score

(c)Within what range would the middle 60 percent of credit scores lie?(Use Excel or Appendix C for calculation of z-value. Round your final answer to 2 decimal places.)

Range________ to_______