SOLUTION: Among 12 persons 5 are women and 7 are men.one person is chosen at random and then a second person is chosen.the second person drawn is a woman.what is the probability that the fi

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Question 1176381: Among 12 persons 5 are women and 7 are men.one person is chosen at random and then a second person is chosen.the second person drawn is a woman.what is the probability that the first person was also a woman?

Answer by ikleyn(52832)   (Show Source): You can put this solution on YOUR website!
.

It means, that the first choice was among 5 women of 12 persons,


so the probability under the problem's question is  P = .        ANSWER



Another way to get the same answer is to apply the formula for the conditional probability


    P =  = .

Solved.



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