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Homework-1: Suppose a continuous random variable X has the following probability density e 2, x >0 function f (x) as follows : f(x): %3D 0, otherwise Find the mean and variance. Ans : E(X) = 2, E (X²) = 8, Mean : u = 2, Variance : o2 = 4. %3D

Homework-1: Suppose a continuous random variable X has the following probability density e 2, x >0 function f (x) as follows : f(x): %3D 0, otherwise Find the mean and variance. Ans : E(X) = 2, E (X²) = 8, Mean : u = 2, Variance : o2 = 4. %3D

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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Homework-1: Suppose a continuous random variable X has the following probability density е 2, х >0 function f (x) as follows : f(x): (0, otherwise Find the mean and variance. Ans : E(X) = 2, E (X²) = 8, Mean :H = 2, Variance :02 = 4. %3D
Transcribed Image Text:Homework-1: Suppose a continuous random variable X has the following probability density е 2, х >0 function f (x) as follows : f(x): (0, otherwise Find the mean and variance. Ans : E(X) = 2, E (X²) = 8, Mean :H = 2, Variance :02 = 4. %3D
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