Question

PA) = 0.20 AB) = 0.25 PA and B) = 0.10 What is PBA)?

Answer 1

Answer:

C. 0.5

Step-by-step explanation:

Use formula for conditional probability

$P(B|A)=\dfrac{P(A\cap B)}{P(A)}$

Given:

$P(A\cap B)=0.1\\ \\P(A)=0.2,$

then

$P(B|A)=\dfrac{0.1}{0.2}=\dfrac{1}{2}=0.5$