P(A)=.50 P(B)=.40, and P(A and B) = .15 what is P(a and B)
2 answers:
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.... Hope this will help....
Faucet one fills up 
of the bathtub in one minute and faucet two fills up 
of the bathtub in one minute. If both are one then they will fill up 
So, 1/6 of the bathtub in one minute.