Question

This was wrong.. Why?

Answer 1

I think it's 9/22

Explanation:

Probability of A given B = (probability of A and B)/probability of B

`((14/22)(9/22))/(14/22) \\=(9)/(22)`

P(B) = P(1 checked bag) = 14/22

P(A) = P(silver status) = 9/22

P(A ∩ B) = (14/22)(9/22)