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Assume that X has an exponential distribution. If Var (4-4)=20. Then E(X) is 20 b.0 C. 5 d. 10 e. None "The variable X has a unic

Assume that X has an exponential distribution. If Var (4-4)=20. Then E(X) is 20 b.0 C. 5 d. 10 e. None "The variable X has a unic

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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pleaseeeee solve question 9, quickly please 

a. 1.8 b. 0.83 Assume that X has an exponential distribution. If Var (4-4)=20. Then E(X) is b.0 c. 5 d. 10 e. None c. 3 b.0.4096 and 8.6. If the mean of X is 5 then r equal e. None d. 9 10. The variable X has a uniform distribution on the interval (-2,3) then E(X)= b.25/12 c. 28/12 d. 24/12 e. None c. 0.16 11. IfX is a random variable with moment generating function M (1) = 5-¹ (4 + e')' Find PCX - 0) = a. 0.0016 d. 0.0064 e. None
Transcribed Image Text:a. 1.8 b. 0.83 Assume that X has an exponential distribution. If Var (4-4)=20. Then E(X) is b.0 c. 5 d. 10 e. None c. 3 b.0.4096 and 8.6. If the mean of X is 5 then r equal e. None d. 9 10. The variable X has a uniform distribution on the interval (-2,3) then E(X)= b.25/12 c. 28/12 d. 24/12 e. None c. 0.16 11. IfX is a random variable with moment generating function M (1) = 5-¹ (4 + e')' Find PCX - 0) = a. 0.0016 d. 0.0064 e. None
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(9) given,X has an exponential distribution and Var4-x5=20

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