A political committee consists of five Democrats and nine Republicans. A subcommittee of eight people needs to be formed from this group.(For thisproblem, define a success as a Democrat being selected for thesubcommittee.)

a. Determine the probability that this subcommittee will consist of four Democrats and four Republicans if they were randomly selected.

b. Calculate the mean and standard deviation of this distribution.

a. The probability that this subcommittee will consist of four Democrats and four Republicans if they were randomly selected is____