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:
I think its 156.4, based on the 68% rule
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-8(-4) + y = 37
32 + y = 37
y = 5
when x = -4, y = 5
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-1+8=7
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25.8
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Answer:
$115 is the correct answer please mark me as brainliest
