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A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A Cafe serves fresh oysters at lunch and dinner. Let XX be the lunch demand and YY the dinner demand for portions of oysters. The joint PMF of XX and YY is the following: X/YO 1 2 0 0.09 0.14 0.1 1 0.01 0.1 0.15 2 0.06 0.15 0.2 The Cafe's manager orders three portions of oysters each day; portions not served are discarded at the end of the day. Find the expected value of the number of oysters portions that will be discarded.
Transcribed Image Text:A Cafe serves fresh oysters at lunch and dinner. Let XX be the lunch demand and YY the dinner demand for portions of oysters. The joint PMF of XX and YY is the following: X/YO 1 2 0 0.09 0.14 0.1 1 0.01 0.1 0.15 2 0.06 0.15 0.2 The Cafe's manager orders three portions of oysters each day; portions not served are discarded at the end of the day. Find the expected value of the number of oysters portions that will be discarded.
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