An anonymous survey of college students was taken to determine behaviors regardingalcohol, cigarettes, and illegal drugs. The results were asfollows: 833 drank alcoholregularly, 668 smokedcigarettes, 192 used illegaldrugs, 416 drank alcohol regularly and smokedcigarettes, 103 drank alcohol regularly and used illegaldrugs, 114 smoked cigarettes and used illegaldrugs, 86 engaged in all threebehaviors, and 204 engaged in none of these behaviors.

a)How many students weresurveyed?

Of thosesurveyed,

b) How many drank alcohol or smoked cigarettes drank?

c)How many used illegal drugs?

d)How many drank alcohol and used illegal drugs, but did not smoke cigarettes?

e)How many smoked cigarettes or used illegal drugs, but did not drinkalcohol?

f)How many engaged in exactly two of thesebehaviors?

g)How many engaged in at least one of thesebehaviors?