Question 12. Suppose that X has a Poisson distribution. If P(X = 1) 0.5P(X = 0), then E(X) is equal to (a) 1 (b) 2 (c) V2 (d) 1/2 (e) none of the above.
Question 12. Suppose that X has a Poisson distribution. If P(X = 1) 0.5P(X = 0), then E(X) is equal to (a) 1 (b) 2 (c) V2 (d) 1/2 (e) none of the above.
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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Transcribed Image Text:Question 12. Suppose that X has a Poisson distribution. If P(X =1)50.5P(X = 0), then
E(X) is equal to
%3D
(a) 1
(b) 2
(c) V2
(d) 1/2
(e) none of the above.
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