Question

Research shows that in Long Lake, 18% of all teens watches a tv shows about horror, 12% reads a book about horror, and 10% reads and watches tv about horror. What is the probability that a teen in Long Lake who watches a tv and reads books about horror?

Answer 1

Given

1. 18% of all teens watches a tv shows about horror         i.e P(A) = 0.18
2. 12% reads a book about horror i.e P(B) = 0.12
3. 10% reads and watches tv about horror                  i.e P(A B) = 0.10

Q . To find the probability that a teen in Long Lake who watches a tv and reads books about horror .

Since we are given that 10% reads and watches tv about horror , hence there are 10% or 0.10 probability that a teen in Long Lake who watches a tv and reads books about horror .

So , required probability is 0.10 .