1 VA ) Suppose that X and Y are independent, X-B(10, 0.5), Y follows Poisson distribution with parameter 4. Which of the following statement is not true? A. E(X+Y)=9 O B. E(X-Y)=1 O C. D(X+Y)=6.5 O D. D(X-Y)=-1.5

1 VA ) Suppose that X and Y are independent, X-B(10, 0.5), Y follows Poisson distribution with parameter 4. Which of the following statement is not true? A. E(X+Y)=9 O B. E(X-Y)=1 O C. D(X+Y)=6.5 O D. D(X-Y)=-1.5

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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1 E (t) Suppose that X and Y are independent, X-B(10, 0.5), Y follows Poisson distribution with parameter 4. Which of the following statement is not true?
A. E(X+Y)=9
B. E(X-Y)=1
C. D(X+Y)=6.5
D. D(X-Y)=-1.5

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