Fifty-seven percent of marijuana use among youth occurs in the inner cities. If an instance of such marijuana use is chosen at random, what is the probability, rounded to two decimal places, that the use occurs in an inner city?
A)Pr(Inner city) = 0.64
B)Pr(Inner city) = 0.57
C)Pr(Inner city) = 0.36
D)Pr(Inner city) = 0.43
E)Pr(Inner city) = 0.5

Question

Fifty-seven percent of marijuana use among youth occurs in the inner cities. If an instance of such marijuana use is chosen at random, what is the probability, rounded to two decimal places, that the use occurs in an inner city? ​
A)Pr(Inner city) = 0.64
B)Pr(Inner city) = 0.57
C)Pr(Inner city) = 0.36
D)Pr(Inner city) = 0.43
E)Pr(Inner city) = 0.5

Quizplus · Accepted Answer

The problem states that 57% of marijuana use among youth occurs in the inner cities, so the probability of an instance of such marijuana use occurring in an inner city is also 57%. Therefore, Pr(Inner city) = 0.57.

Fifty-Seven Percent of Marijuana Use Among Youth Occurs in the Inner