Question

A and b are two independant events such that p(aub)=0.5 and p(a)=0.2 find p(b)

Answer 1

Answer:

Step-by-step explanation:

A and B are independent events, then P(A INTERSECTION B) = 0 and therefore

P(AUB) = P(A) + P(B)

P(B) = P(AUB) - P(A)

= 0.5 - 0.2

= 0.3.