A service station has both self-service and full-service islands. On each island, there is a single regular unleaded pump with two hoses. Let X denote the number of hoses being used on the self-service island at a particular time, and let denote the number of hoses on the full-service island in use at that time. The joint pmf of X and Y appears in the accompanying tabulation. P(x. y) 00.10 0.05 0.01 10.06 0.20 0.09 2 0.06 0.14 0.30 J What is P(X = 1 and Y = 1)? P(X = 1 and Y = 1) = | Compute P(X si and Ys 1). P(X s1 and Ys 1) - Give a word description of the event (X = 0 and Y = 0}. O One hose is in use on both islands. O One hose is in use on one island. O At most one hose is in use at both islands. O At least one hose is in use at both island-

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