SOLUTION: If A and B are any two events with P(A) = .8 and P(B|A) = .4, then the joint probability of A and B is.

SOLUTION: If A and B are any two events with P(A) = .8 and P(B|A) = .4, then the joint probability of A and B is.

Algebra.Com

Question 976926: If A and B are any two events with P(A) = .8 and P(B|A) = .4, then the joint probability of A and B is.
Answer by t0hierry(194) (Show Source): You can put this solution on YOUR website!
P(B|A)=P(AB)/P(A)
so P(AB) = -32
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 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 any two events with P(A) = .8 and P(B|A) = .7 then P(A and B) is... (answered by Edwin McCravy)

I have two problems I urgently need assistance with. They are as follows: 1. A and B (answered by Timnewman)

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)

Consider the two events A and B with P(A) = 0.4 and P(B) = 0.3. (a) If A and B are... (answered by Boreal)

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 two events such that P(A) = 1/4, P(B) = 1/3 and P(AUB) = 1/2, then find (answered by jim_thompson5910)