W Courses - Blackboard Learn HE] Courses Blackboard Learn 0 0.10 0.05 0.01 x 1 0.07 0.20 0.08 2 0.06 0.14 0.29 (a) What is P(X = 1 and Y = 1)? P(X=1andY=1)=.20 (b) Compute P(X 5 1 and Y S 1). P(X$1andY51)=.42 y (c) Give a word description of the event {X =1: 0 and Y at 0}. At most one hose is In use at both islands. 0 At least one hose is in use at both islands. One hose is in use on both islands. One hose is in use on one island. Compute the probability of this eveIIt. P(X=# O and Yak 0) = .71 (d) Compute the marginal pmf of X. x 0 1 2 9x00 Compute the marginal pmf of Y. Y O 1 2 DAY) Using px(x), what is P(X S 1)? P(X s 1) =