SOLUTION: If A and B are any two events with P(A) = .8 and P(B|A) = .7 then P(A and B) is ???

SOLUTION: If A and B are any two events with P(A) = .8 and P(B|A) = .7 then P(A and B) is ???

Algebra.Com

Question 1088322: If A and B are any two events with P(A) = .8 and P(B|A) = .7 then P(A and B) is ???
Answer by Edwin McCravy(20064) (Show Source): You can put this solution on YOUR website!





B and A is the same as A and B





Multiply both sides by .8



Edwin

RELATED QUESTIONS
If A and B are any two events with P(A) = .8 and P(B|A) = .4, then the joint probability... (answered by t0hierry)

If A and B are any two events with P(A) = .8 and P(B|A) = .4, then the joint probability... (answered by lynnlo)

If A and B are any two events with P(A) = .8 and P(B|A) = .4, then the joint probability... (answered by lynnlo)

If A and B are independent events with P(A) = 0.21 and P(B) = 0.14, then P(A|B)... (answered by edjones)

If A and B are mutually exclusive events with P(A) = 0.70, then... (answered by stanbon)

If A and B are mutually exclusive events with P(A) = 0.75, then... (answered by MathLover1,ikleyn)

If A and B are two events, then P(AUB)=? (when A and B are disjoint) (answered by ikleyn)

If A and B are events with P(A)=0.8, P(A OR B)=0.87, P(A AND B)=0.23, find... (answered by math_tutor2020)

If A and B are any two events, then P(A AND B) ≤ P(A OR B) True or... (answered by ikleyn)