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Suppose X is a continuous random variable whose probability density functio xе¯¤ f(x) = { x≥0 x < 0 0

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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Question

Verify that f(x) is indeed a valid probability density function.

2. Compute the expected value E(X) of X.

3. Compute the variance V (X) = E(X^2) − [E(X)]^2 of X.

Pl explain throughly

Suppose X is a continuous random variable whose probability density function is
xe-"
x≥0
f(x) =
0
x < 0

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