Q. 19

# The probability t

Let A denote the event that a person will get electrification contract and B denote the event that the person will get a plumbing contract

Given : P(A) = , P(not B) = P( ) = , P(A or B) = To find: Probability that he will get both electrification and plumbing contract = P(A and B)

Formula used : P(B) = 1 – P( )

P(A or B) = P(A) + P(B) - P(A and B)

P(B) = 1 - P(B) = Probability of getting at least one contract =  P(A and B) P(A and B)

P(A and B) P(A and B) The probability that he will get both electrification and plumbing contract = Rate this question :

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