E(X)=? Find the expected value for the random variable:13|Р(X) 0.240.27 0.210.28

Name: E(X)=? Find the expected value for the random variable:13|Р(X) 0.240.2
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Description: E(X)=? Find the expected value for the random variable:13|Р(X) 0.240.27 0.210.28

Given the probability distribution table: X 1 2 3 5 P(X) 0.24 0.27 0.21 0.28 Expected…

Answered: Find the expected value for the random…

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

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E(X)=?

Find the expected value for the random variable:
1
3
|Р(X) 0.24
0.27 0.21
0.28

Expert Solution

Step 1

$\mathbf{Solution}$

Given the probability distribution table:

X	1	2	3	5
P(X)	0.24	0.27	0.21	0.28

$\mathbf{formula:}$

Expected values of X is given by

$\mathrm{E(X)=\sum X*P(X)}$

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