1 Answer | Add Yours
The probability `P(A)=13/25` , `P(B)=9/25` and `P(A|B) = 5/9` .
`P(A and B)= P(A|B)*P(B) = (5/9)*(9/25) = 5/25`
`P(A or B or (A and B))` = `P(A) + P(B) - P(A and B)` = `13/25 + 9/25 - 5/25 = 17/25`
The required probability P(A or B or both) = 17/25
We’ve answered 318,911 questions. We can answer yours, too.Ask a question