There are 13 members in a committee having 7 men and 6 women. In how many ways a team of 4 persons can be selected in such a way that at least 1 men would be there in the team.
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Sample space =13c4
fo=7c1×6c3+7c2×6c2+7c3×6c1+7c4
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the total number of selection is 700 which is shown above
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