Let x be a randomvariable with adensity functionI (2) = { "0,6x (1 – a), 0 < x < 1elsewhereBy finding the fırstand second moments,calculate thevariance of x [1](answer correct to 1dp)

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Answered: Let x be a random variable with a…

Let x be a random variable with a density function 6x (1 – a), 0 < x < 1 f (2) = { 0. el sewhere By finding the first and second moments, calculate the variance of x [1] (answer correct to 1 dp)

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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Let x be a random
variable with a
density function
I (2) = { "0,
6x (1 – a), 0 < x < 1
elsewhere
By finding the fırst
and second moments,
calculate the
variance of x [1]
(answer correct to 1
dp)

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