Answered: Find the variance and standard…

Math

Probability

Find the variance and standard deviation of X

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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Question

100%

The random variable X representing the number of errors per 100 lines of software code, has the following probability distribution:

x	2	3	4	5	6
P_X(x)	0.01	0.25	0.4	0.3	0.04

Find the variance and standard deviation of X

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