Assume you have collected data pairs (x, y) on a certain variety of tree xis
the number of weeks since the tree was planted and yis the height of the tree
in inches. A plot of the data points with the best-fit line is given below. What is
the numerical value of the height as predicted by the best-fit line for an age of
20 weeks?

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.