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A set of final examination grades in a calculus course was found to be normally distributed with a mean of 69 and a standard deviation of 9. What percentage of students scored b…

A set of final examination grades in a calculus course was found to be normally distributed with a mean of 69 and a standard deviation of 9. What percentage of students scored b…
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A set of final examination grades in a calculus course was found to be normally distributed with a mean of 69 and a standard deviation of 9. What percentage of students scored between 65 and 89?

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User Bretticus
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1 Answer

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Answer: 66%

Explanation:

A set of final examination grades in a calculus course was found to be normally distributed-example-1
A set of final examination grades in a calculus course was found to be normally distributed-example-2
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User JuggernautDad
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