For a test of hypotheses to compare two means, independent samples, equal population variances, sample size 1 equals 39, sample size 2 equals 39, level of significance equals 0.01, and Null: mu1 equals mu2, what would the absolute value of the critical value for the associated test statistic equal

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.