Quote:
Originally Posted by BarTopDancer
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New question:
636 students answered the survey.
0.47 said they consumed more alcohol then usual
636 x .47 = 299 students who consumed more alcohol than usual
337 students did not consume more alcohol than usual. This is 53%.
(0.47 + 0.53 = 1)
So, I think the caculation would be
.47 x .53 x .47 = .12
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Close, but I think this is incorrect. Notice they said that the order matters.
Remember the "what assumptions are being made" part of question b? Don't make those same assumptions for this one.