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Asked by Nancy

The scores of students on standardized test are normally distributed with a mean of 300 and a standard deviation of 40. Between what two values do 99.7% of the test scores lie?
11 years ago

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Answered by Steve
181.278 and 418.722

not sure how you want to round them
11 years ago
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The scores of students on standardized test are normally distributed with a mean of 300 and a standard deviation of 40. Between what two values do 99.7% of the test scores lie?

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