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Get Full Access to Applied Statistics And Probability For Engineers - 6 Edition - Chapter 3.4 - Problem 57e
Get Full Access to Applied Statistics And Probability For Engineers - 6 Edition - Chapter 3.4 - Problem 57e

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# If the range of X is the set {0,1,2,3,4} and P(X ??x) ??0 ISBN: 9781118539712 55

## Solution for problem 57E Chapter 3.4

Applied Statistics and Probability for Engineers | 6th Edition

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Problem 57E

If the range of X is the set {0,1,2,3,4} and P(X ◊◊x) ◊◊0 2 . , determine the mean and variance of the random variable.

Step-by-Step Solution:

Solution:

Step 1 of 2:

Here we have to determine the mean and variance of the random variable.

Given the range of X = {0,1,2,3,4} and P(X= x) = 0.2.

Mean  = 2

Variance = Where,   Then,

Variance =  = 2

Step 2 of 2

##### ISBN: 9781118539712

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