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OpenStudy (anonymous):
scores on an exam are normally distributed with a mean of 76 and a standard deviation of 10. in agroup of 230 tests, how many students score above 96?
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OpenStudy (aaronq):
96 is \(\mu+2\sigma\),|dw:1404756914777:dw| |dw:1404757028012:dw| so ~2.5% of student scored higher, 2.5% of 230 is 5.75
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