You are trying to locate a stolen car using a helicopter. The helicopter costs $250 per hour to rent. The number of hours to find the car follows a discrete uniform random variable with a = 3 and b =11. What is the expected cost of the search?

A. $2250
B. $1750
C. $2450
D. $2100

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.