Essay
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 81 and 89?
Correct Answer:

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.0536
P(81 ≤ x ≤ 89)...View Answer
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Correct Answer:
Verified
P(81 ≤ x ≤ 89)...
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
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