Statistics math problem

Question

If   0.272 and   0.851, what should the value of   be in order for the events A and B to be independent? 

 

Round your answer to two decimal places.

Answer 1

For A and B to be independent P(A and B) = P(A) * P(B).

So 0.272 = P(A) * 0.851.

Thus P(A) = 0.272/0.851 = 0.32