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Mathematics 7 Online
OpenStudy (anonymous):

Among 500 freshman pursuing a business degree at a university, 320 are enrolled in an Economics course, 225 are enrolled in a Mathematics course, and 140 are enrolled in both an Economics and a Mathematics course. What is the probability that a freshman selected at random from this group is enrolled in: a) an Economics or Mathematics course? b) exactly one of these two courses? c) neither an Economics course nor a Mathematics course? THIS IS NOT MULTIPLE CHOICE, A, B, AND C ARE MULTIPLE QUESTIONS

OpenStudy (anonymous):

exactly one of these two courses

OpenStudy (anonymous):

no is not multiple choice, those are multiple questions

ganeshie8 (ganeshie8):

start by drawing a venn diagram

ganeshie8 (ganeshie8):

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