Find the expectation and varience of X. Let X be a random number with probability density function1. Find the expectation E[X] of X.2. Find the variance Var (X) of X.(E[X], Var(X)) = ¯¯¯).(2-8xfx(x) = 256x² e if x ≥ 0,0 Otherwise.

Let X be a random number with a probability density function fX(x)=256x2e-8x ; if x≥0 0…

Answered: Let X be a random number with…

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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Match the probabilities with the commands. In the answers, the first command stated is for EXCEL and the second is for the Tl calculator. 1. P(X = a) 2. P(X ≤ a) 3. P(X a) 5. P(X> a) 1. 2. 3. 4. [Choose ] [Choose ] =BINOM.DIST(r,n,p,TRUE) or binomcdf(n,p,r) =BINOM.DIST(r-1,n,p,TRUE) or binomcdf(n,p,r-1) -1- BINOM.DIST(r.n.p,TRUE) or 1 -binomcdf(n.p.r) 1- BINOM.DIST(r-1.n.p.TRUE) or 1 -binomcdf(n.p.r-1) -BINOM.DIST(r.n.p.FALSE) or binompdf(n.p.r)
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Let X be a random number with probability density function 1. Find the expectation E[X] of X. 2. Find the variance Var(X) of X. fx(x) = 256x²e-8 if x ≥ 0, 0 Otherwise.