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Veseljchak [2.6K]

3 years ago

15

Scores on an exam are normally distributed with a mean of 76 and a standard deviation of 10. In a group of 230 tests, how many s

tudents score within one standard deviation of the mean?

1 answer:

kirza4 [7]3 years ago

7 0

I think its 156.4, based on the 68% rule

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