SOLUTION: Please Help!!!! Find the indicated probability. If P(B) = 0.5, P(A or B) = 0.3, and P(A and B) = 0.6. P(A) =

SOLUTION: Please Help!!!! Find the indicated probability. If P(B) = 0.5, P(A or B) = 0.3, and P(A and B) = 0.6. P(A) =

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Question 588432: Please Help!!!!
Find the indicated probability.

If P(B) = 0.5, P(A or B) = 0.3, and P(A and B) = 0.6.
P(A) =
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Let P(A) = x

P(A or B) = P(A) + P(B) - P(A and B)

0.3 = x + 0.5 - 0.6

0.3 = x - 0.1

0.3 + 0.1 = x

0.4 = x

x = 0.4

So P(A) = 0.4
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