The height of a stuntperson jumping off a building that is 20 m high is modeled by the equation h = 20 - 5", where t is the
time in seconds. a high-speed camera is ready to film the person between 15 m and 10 m above the ground. for which
interval of time should the camera film the person?

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.