SOLUTION: If P(A or B) = 0.9, P(A) = 0.7 and P(B) = 0.5, determine P(A and B) 0.15 0.25 0.45 0.30

Algebra ->  Quadratic-relations-and-conic-sections -> SOLUTION: If P(A or B) = 0.9, P(A) = 0.7 and P(B) = 0.5, determine P(A and B) 0.15 0.25 0.45 0.30       Log On


   

Question 470768: If P(A or B) = 0.9, P(A) = 0.7 and P(B) = 0.5, determine P(A and B)
0.15
0.25
0.45
0.30
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Hint: P(A and B) = P(A) + P(B) - P(A or B)