SOLUTION: Forty moviegoers where surveyed as they left the movie theater. They were asked the rating of the movie they just saw. The results are shown below. Movie Type Number G 4 PG 12

Algebra ->  Probability-and-statistics -> SOLUTION: Forty moviegoers where surveyed as they left the movie theater. They were asked the rating of the movie they just saw. The results are shown below. Movie Type Number G 4 PG 12      Log On


   

Question 590148: Forty moviegoers where surveyed as they left the movie theater. They were asked the rating of the movie they just saw. The results are shown below.
Movie Type Number
G 4
PG 12
PG13 15
R 9
a. If you randomly select an individual from this group, what is the probability that the individual saw a movie that was rated PG?
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
12/(4+12+15+9)
= 12/40 = 3/10