Exercise 3: Suppose that in an electric display sign there are three light bulbs in the first row and four light bulbs in the second row. Let X denote the mumber of bulbs in the first row that will be burned out at a specified time t, and let Y denote the mumber of bulbs in the second row that will be burned out at the same time t. Suppose that the joint p.f of X and Y is as specified in the following table: 1. 3 0.08 0.07 0.06 0.01 0.01 1 0.06 0.10 0.12 0.05 0.02 2 0.05 0.06 0.09 0.04 0.03 3 0.02 0.03 0.03 0.03 0.04 Determine cach of the following probabilities: 1. Pr(X = 2) 2. Pr(Y > 2) 3. Pr(Y < 2|X = 3) and Var[Y|Y = 3], Var[Y|X = 3]
Exercise 3: Suppose that in an electric display sign there are three light bulbs in the first row and four light bulbs in the second row. Let X denote the mumber of bulbs in the first row that will be burned out at a specified time t, and let Y denote the mumber of bulbs in the second row that will be burned out at the same time t. Suppose that the joint p.f of X and Y is as specified in the following table: 1. 3 0.08 0.07 0.06 0.01 0.01 1 0.06 0.10 0.12 0.05 0.02 2 0.05 0.06 0.09 0.04 0.03 3 0.02 0.03 0.03 0.03 0.04 Determine cach of the following probabilities: 1. Pr(X = 2) 2. Pr(Y > 2) 3. Pr(Y < 2|X = 3) and Var[Y|Y = 3], Var[Y|X = 3]
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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