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 y 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 tabulatio p(x,y) X 0 Y 1 2 0 0.10 0.03 0.02 0.06 0.20 0.05 2 0.05 0.14 0.32 (a) What is P(X 1 and Y 1) ? P(X=1 and Y 1)- (b) Compute PX ≤ 1 and Y≤ 1). P(X1 and Y≤1)= (c) 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 islands. Compute the probability of this event. P(X0 and Y/0)-[
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 y 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 tabulatio p(x,y) X 0 Y 1 2 0 0.10 0.03 0.02 0.06 0.20 0.05 2 0.05 0.14 0.32 (a) What is P(X 1 and Y 1) ? P(X=1 and Y 1)- (b) Compute PX ≤ 1 and Y≤ 1). P(X1 and Y≤1)= (c) 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 islands. Compute the probability of this event. P(X0 and Y/0)-[
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.6: Variation
Problem 7E
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