SOLUTION: P(A)=11/20,P(B|A)=13/20,P(A∩B)=?

SOLUTION: P(A)=11/20,P(B|A)=13/20,P(A∩B)=?

Algebra.Com

Question 1181089: P(A)=11/20,P(B|A)=13/20,P(A∩B)=?
Answer by ikleyn(52776) (Show Source): You can put this solution on YOUR website!
.


From the definition of the conditional probability,


    P(A∩B) = P(B | A) * P(A) =  = .    ANSWER

Solved.

RELATED QUESTIONS
P(A) = 11/20 P(B) = 1/2 P(A and B) = 11/40 P(A or B) =... (answered by jorel1380)

P(A)=7/20,P(B)=3/5,P(A∩B)=21/100... (answered by ikleyn)

P(A)=7/20,P(A∪B)=191/400,P(A∩B)=49/400... (answered by Edwin McCravy,ikleyn)

if p(a)=11/20, p(a and b)=77/400, and p(a or b)=283/400, what does p(not b)... (answered by Boreal)

If P=4s , find s when a. P=20 b. p=32 c.... (answered by Mathtut)

Events A and B are independent. find the missing probability. P(B)=13/20 P(A and B)=... (answered by robertb)

Find the missing probability.... (answered by Edwin McCravy)

If P(A) = .20, P(B) = .30, and P(A and B) = .15, what is P(A|B)?? (answered by Edwin McCravy)

P(A) = 7/20, P(A u B) = 191/400, P(A n B) = 49/400,... (answered by stanbon)