The distribution law of random variable X is given: Find the variance of random variable X. X₁ LP₁ -0.5 -0.2 0.4 0.2 0 0.1 0.8 0.3

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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Probability

The distribution law of random variable X is given:
Find the variance of random variable X.
X;
P₁
-0.5 -0.2
0
0.4 0.2 0.1
0.8
0.3
Transcribed Image Text:The distribution law of random variable X is given: Find the variance of random variable X. X; P₁ -0.5 -0.2 0 0.4 0.2 0.1 0.8 0.3
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