In: Statistics and Probability
An anonymous survey of college students was taken to determine behaviors regarding alcohol, cigarettes, and illegal drugs. The results were as follows: 823 drank alcohol regularly, 629 smoked cigarettes, 186 used illegal drugs, 389 drank alcohol regularly and smoked cigarettes, 97 drank alcohol regularly and used illegal drugs, 105 smoked cigarettes and used illegal drugs, 82 engaged in all three behaviors, and 371 engaged in none of these behaviors. a) How many students were surveyed? nothing Of those surveyed, b) How many drank alcohol or smoked cigarettes drank alcohol or smoked cigarettes? nothing c) How many used illegal drugs used illegal drugs only? nothing d) How many drank alcohol and smoked cigarettes drank alcohol and smoked cigarettes, but did not use illegal drugs use illegal drugs? nothing e) How many smoked cigarettes or used illegal drugs smoked cigarettes or used illegal drugs, but did not drink alcohol drink alcohol? nothing