Question

A subcommittee of 6 membersis to be formed out of group consiting of 7 men and 4 ladies calculate the probability that the sub committee will consist of exactly two ladies

Answer 1

no of groups with 2 women 4C2 x7C4

no of groups with 1 women 4C1x7C5

total no. of groups that can be formed 4C4X7C2+4C3X7C3+4C2X7C4+4C1X7C5

3 years ago

no of groups with 2 women 4C2 x7C4

no of groups with 1 women 4C1x7C5

total no. of groups that can be formed 4C4X7C2+4C3X7C3+4C2X7C4+4C1X7C5