SOLUTION: Find the indicated probability. P(A) = 0.27 P(B) = 0.31 P(A or B) = 0.2 P(A and B) =?

Algebra ->  Probability-and-statistics -> SOLUTION: Find the indicated probability. P(A) = 0.27 P(B) = 0.31 P(A or B) = 0.2 P(A and B) =?      Log On


   

Question 725961: Find the indicated probability.
P(A) = 0.27
P(B) = 0.31
P(A or B) = 0.2
P(A and B) =?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
P(A and B) = P(A) + P(B) - P(A or B)

P(A and B) = 0.27 + 0.31 - 0.2

P(A and B) = 0.38