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An aptitude test has a mean of 500 and a standard deviation of 40. The test...

An aptitude test has a mean of 500 and a standard deviation of 40. The test scores are normally distributed. If 2,000 people take the test, a. Find the number of people who will score between 476 and 542. b. Find the number of people who will score below 460. c. Find the number of people who will score above 600.

Math   Statistics-And-Probability   
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