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A Banks loan officer rates applicants for credit the ratings can be described by a normal model with a mean of 200 and a standard deviation of 50. If an applicant is selected what percentage can be between 200 and 275?

1 Answer

6 votes

Answer:

43%

Explanation:

You want to know the percentage of applicants having a rating between 200 and 275, given that applicants have ratings normally distributed with a mean of 200 and a standard deviation of 50.

Area under the Normal PDF

The given percentage can be found using a spreadsheet, suitable calculator, or table of values of the Normal probability function. The attached calculator display shows the percentage to be ...

0.433 × 100% = 43.3%

About 43% of applicants will have a rating between 200 and 275.

A Banks loan officer rates applicants for credit the ratings can be described by a-example-1
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