SOLUTION: Given that P(A) = 0.5, P(B) = 0.4, and P(A and B) = 0.20, determine P(A|B) 1. 0.40 2. 0.50 3. 0.25 4. 0.20 Which one should it be, because I am stuck?

Algebra ->  Probability-and-statistics -> SOLUTION: Given that P(A) = 0.5, P(B) = 0.4, and P(A and B) = 0.20, determine P(A|B) 1. 0.40 2. 0.50 3. 0.25 4. 0.20 Which one should it be, because I am stuck?      Log On


   



Question 491064: Given that P(A) = 0.5, P(B) = 0.4, and P(A and B) = 0.20, determine P(A|B)
1. 0.40
2. 0.50
3. 0.25
4. 0.20
Which one should it be, because I am stuck?

Answer by MathLover1(20855) About Me  (Show Source):
You can put this solution on YOUR website!

P(B|A)

=P(A and B)/P(A)

=+0.20%2F0.5

= 0.40

Answer: 0.40