A committee of three has to be chosen from a group of 4 men and 5 women. If the selection is made at random, what is the probability that exactly two members are men?
A
514
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B
121
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C
314
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D
821
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Solution
The correct option is A514
Total number of members =4+5=9
A committee of 3 has to be chosen.
∴n(S)=9C3=84
Let E be the event where exactly two members are men.