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Mathematics, 01.11.2019 22:31 ellisc7044

An anonymous survey of college students was taken to determine behaviors regarding alcohol, cigarettes, and illegal drugs. the results were as follows: drank alcohol regularly, smoked cigarettes, used illegal drugs, drank alcohol regularly and smoked cigarettes, drank alcohol regularly and used illegal drugs, smoked cigarettes and used illegal drugs, engaged in all three behaviors, and engaged in none of these behaviors. 871 646 198 407 111 119 91 81
a) how many students were surveyed? 1250
of those surveyed,
b) how many ? drank alcohol or smoked cigarettes 1110
c) how many only? used illegal drugs 59
d) how many , but did not ? drank alcohol and smoked cigarettes use illegal drugs 316
e) how many , but did not ? smoked cigarettes or used illegal drugs drink alcohol 298
f) how many engaged in exactly two of these behaviors? 364
g) how many engaged in at least one of these behaviors? 1169

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