SOLUTION: A group consists of five men and seven women. Four people are selected to attend a conference. Find the probability that the selected group will consist of all women.
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Question 951829: A group consists of five men and seven women. Four people are selected to attend a conference. Find the probability that the selected group will consist of all women. Answer by andora(7) (Show Source):
You can put this solution on YOUR website! THE ANSWER IS VERY SIMPLE
the probability of women on all is 7/12 and men is 5/12
and 4C4 is ways to pick four women because they only want 4 so it's the first 4 and all of them are same gender which is the second 4
the answer is:
4C4.(7/12)^4.(5/12)^0=0.116
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