Answered: Question 2A A discrete random variable…

Question 2A A discrete random variable X has probability distribution given by X 1 2 3 4 5 P(X=x) 0.2 0.25 0.14 a 0.05 P(1 ≤ X ≤ 3) is a.0.25 b.0.41 c.0.34 d.0.59

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question 2A

A discrete random variable X has probability distribution given by

X	1	2	3	4	5
P(X=x)	0.2	0.25	0.14	a	0.05

P(1 ≤ X ≤ 3) is

a.0.25

b.0.41

c.0.34

d.0.59

Question 2B

A discrete random variable X has probability distribution given by

X	1	2	3	4	5
P(X=x)	0.2	0.25	0.14	a	0.05

The Variance of X … Var(X) is

a.1.5739

b.6.6660

c.2.810

d.9.470

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