Una persona observa la parte superior de un edificio con un angulo de elevacion de 37 grados. Se dirije hacia el edificio, y cuando ha caminado 8 m. El numero angulo de elevacion es de 45 grados. Cuantos metros mas debe cambiar para que el angulo de elevacion sea de 53 grados

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.