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The scores on a national test were normally distributed with a mean of 83 and a standard deviation of 8.
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The scores on a national test were normally distributed with a mean of 83 and a standard deviation of 8.
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Question 734177: Hello, having some problem with this question. Can someone please help?
The scores on a national test were normally distributed with a mean of 83 and a standard deviation of 8. To the nearest percent, what percentage of test takers scored between 70 and 90? Answer by lynnlo(4176) (Show Source):
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