The variable b represents the number of dollars in a bank account: 1/2d-10 - which phrase matches the expression

A. Ten dollars less than half the number of dollars in the account
B. One half the difference of the dollars in the account and ten dollars
C. One half the number of dollars in the account increased by ten dollars
D. The product of half the dollars in the account and negative ten dollars

Out of five men and five women, we form a committee consisting of four different people. assuming that each committee of size four is equally likely, find the probabilities of the following events: 1. the committee consists of two men and two women 2. the committee has more women than men. 3. the committee has at least one man. for the remainder of the problem assume that alice and bob are among the ten people being considered. 4. both alice and bob are members of the committee.