66% of students at one college drink alcohol regularly, and 13% of those who drink alcohol regularly sufferfrom depression. What is the probability that a randomly selected student drinks alcohol regularly and suffersfrom depression?
A) 0.0858
B) 0.79
C) 0.7042
D) 0.5742

Question

Quizplus · Accepted Answer

To find the probability that a student both drinks alcohol regularly and suffers from depression, multiply the probability of a student drinking alcohol regularly (66% or 0.66) by the probability that a student who drinks suffers from depression (13% or 0.13): 0.66 * 0.13 = 0.0858.

66% of Students at One College Drink Alcohol Regularly, and 13