SOLUTION: IF P(F)= 0.30, P(E or F)= 0.65, and P(E and F)=0.15 find P(E)

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Question 586998: IF P(F)= 0.30, P(E or F)= 0.65, and P(E and F)=0.15 find P(E)
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
IF P(F)= 0.30, P(E or F)= 0.65, and P(E and F)=0.15 find P(E)
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P(E or F) = P(E)+P(F)-P(E and F)
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0.65 = P(E) + 0.30 - 0.15
0.65 = P(E) + 0.15
P(E) = 0.50
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Cheers,
Stan H.