s) Let X denote weekly apple sales and Y denote weekly orange sales at Publix. For simplicity assume that both X and Y can take values of 100 lbs (low demand) and 200 lbs (high de- mand). The joint probability distribution is estimated from past sales data and is given by the following table, for example, P{X = 100, Y = 200} = 3/10. 100 200 100 1/10 4/10 Y 200 3/10 2/10 • Find the covariance between X and Y and interpret it. • Are X and Y independent? Why?

s) Let X denote weekly apple sales and Y denote weekly orange sales at Publix. For simplicity assume that both X and Y can take values of 100 lbs (low demand) and 200 lbs (high de- mand). The joint probability distribution is estimated from past sales data and is given by the following table, for example, P{X = 100, Y = 200} = 3/10. 100 200 100 1/10 4/10 Y 200 3/10 2/10 • Find the covariance between X and Y and interpret it. • Are X and Y independent? Why?

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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