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A committee of six people is to be formed from a group of seven men and four women. What is the…

Uniform selection gives \(\binom{11}{6}=462\) possible committees. Exactly two women and four men can be chosen in \(\binom{4}{2}\binom{7}{4}=6\times35=210\) ways, giving…

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A committee of six people is to be formed from a group of seven men and four women. What is the probability that the committee will have exactly two women ?

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Uniform selection gives (116)=462\binom{11}{6}=462 possible committees. Exactly two women and four men can be chosen in (42)(74)=6×35=210\binom{4}{2}\binom{7}{4}=6\times35=210 ways, giving 210/462=5/11210/462=5/11. The probability is 0.454545…0.454545\ldots, which rounds to 0.4550.455 at three decimal places and matches none of the numerical alternatives.

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