Find the mean, variance and standard deviation of the discrete random variable X whose probability distribution is x -2 1 2 3.5 0.21 P(x) 0.21 0.34 0.24 P₁ = [[XX P(X)] Var (X) = 6²,= (x-μ)²- P(x) all possible values of 6,- Var(X) or 6,-√0,²
Find the mean, variance and standard deviation of the discrete random variable X whose probability distribution is x -2 1 2 3.5 0.21 P(x) 0.21 0.34 0.24 P₁ = [[XX P(X)] Var (X) = 6²,= (x-μ)²- P(x) all possible values of 6,- Var(X) or 6,-√0,²
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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![Find the mean, variance and standard deviation of the discrete random
variable X whose probability distribution is
X
-2 1 2 3.5
P(x) 0.21
0.21 0.34 0.24 0.21
H₂ = [[XX P(X)]
Var(X) = ²,= Σ (x-1). P(x)
all possible
values of
o, Var(X) or 0₂-√o₂²
COL](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2a923021-0eaa-4798-84d3-424b4e4a0ff4%2F75f83af3-aaeb-4c49-b170-8aefc5d6e40a%2F2kldheh_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Find the mean, variance and standard deviation of the discrete random
variable X whose probability distribution is
X
-2 1 2 3.5
P(x) 0.21
0.21 0.34 0.24 0.21
H₂ = [[XX P(X)]
Var(X) = ²,= Σ (x-1). P(x)
all possible
values of
o, Var(X) or 0₂-√o₂²
COL
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