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The credit scores of 35-year-olds applying for a mortgage at Ulysses Mortgage Associates are normally distributed...

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Basic Math

The credit scores of 35-year-olds applying for a mortgage atUlysses Mortgage Associates are normally distributed with a mean of600 and a standard deviation of 90. (a) Find the credit score thatdefines the upper 5 percent. (Use Excel or Appendix C to calculatethe z-value. Round your final answer to 2 decimal places.) Creditscore (b) Seventy-five percent of the customers will have a creditscore higher than what value? (Use Excel or Appendix C forcalculation of z-value. Round your final answer to 2 decimalplaces.) Credit score (c) Within what range would the middle 80percent of credit scores lie? (Use Excel or Appendix C forcalculation of z-value. Round your final answer to 2 decimalplaces.) Range-- to---

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