A fair coin is flipped twice. Let X be the number of heads in the two tosses, and Y be the indicator r. v. for the tosses landing the same way. That is, Y is equal to 1 if the tosses land in the same way, and 0 otherwise. (a) Find the joint pmf of X and Y.
(b) Find the marginal pmfs of X and Y .
(c) Are X and Y independent?

The two box p digram the two box plots show the data of the pitches thrown by two pitchers throughout the season. which statement is correct? check all that apply. pitcher 1 has a symmetric data set. pitcher 1 does not have a symmetric data set. pitcher 2 has a symmetric data set. pitcher 2 does not have a symmetric data set. pitcher 2 has the greater variation.ots represent the total number of touchdowns two quarterbacks threw in 10 seasons of play