3. 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 particulartime, 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 accompanyingtabulation. Which island is most preferred by the customers? p(x, y) 01 .10 .04 .02 1. .08 .20 .06 2. .06 .14 .30

3. 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 particulartime, 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 accompanyingtabulation. Which island is most preferred by the customers? p(x, y) 01 .10 .04 .02 1. .08 .20 .06 2. .06 .14 .30

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter10: Sequences, Series, And Probability

Section10.7: Distinguishable Permutations And Combinations

Problem 30E

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