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The scores on a statewide math exam were normally distributed with mean=74 and standard deviation=8. What proportion of test takers had a grade between 66
The scores on a statewide math exam were normally distributed with mean=74 and standard deviation=8. What proportion of test takers had a grade between 66 and 88 on the exam?
note: please answer by showing your work and how you got the answer. thank you.
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