Question

In a town of 8000 people, 1300 are over 50 years and 3000 are females. It is known that 30% of the females are over 50 years. What is the probability that a chosen individual from the town is either a female or over 50 years ?

Answer 1

n(S) = 8000

Over 50 years be A; n(A) = 1300

Females be B; n(B) = 3000