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OpenStudy (anonymous):
The mean of a set of test scores is 86 and the standard deviation is 3. If there are 200 test scores in the data sample, how many of them were in the 86% to 89% range? a. 32 b. 68 c. 5 d. 27
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OpenStudy (muzzack):
i would say b
OpenStudy (anonymous):
@Rbnprettygirl please don't grab anyone's work from a different site. I understand that you're trying to help, but please use your own words to solve this problem. https://answers.yahoo.com/question/index?qid=20130716164459AAWQEq7
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