answer no 7 (C). Valiant(d) P(μ-20 < X

We know the cdf of a random variable X is

Answered: 7. Given the cdf of a random variable…

7. Given the cdf of a random variable X: Fx(x) = (0 x/8 , x = (-00,0) , * € [0,2) x²/16, x € [2,4)) . * = [4.00) Determine the mean and the variance of X.

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter1: Introduction To Algebra

Section1.2: Grouping Symbols

Problem 7MRE

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answer no 7

(C). Valiant
(d) P(μ-20 < X <u+20) where μ is the
7. Given the cdf of a random variable X:
Fx(x)=
jx/8
, x = (-∞0,0)
, * € [0,2)
x²/16, x € [2,4))
. x = [4.00)
Determine the mean and the variance of X.
8. Suppose that a r.v. X is such that P(X ≤ 0) = 0 and

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