Questions
Given two events A and B, if the odds against A are 2 to 1 those in favour of AUB are 3 to 1, then
detailed solution
Correct option is C
Given thatP(A¯):P(A)=2:1⇒P(A¯)=23,P(A)=13P(A∪B):P(A∪B¯)=3:1⇒P(A∪B)=34,P(A∪B¯)=14P(A∪B)−P(A)≤P(B)≤P(A∪B)⇒512≤P(B)≤34Talk to our academic expert!
Similar Questions
The probability that a person will get an electric contract is and the probability that he will not get plumbing
contract is .If the probability of getting at least one contract is , the probability that he will get both the contracts is k , then 105k is
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