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The random variable X, representing the number of errors per 100 lines of software code, has probability distribution. 2 0.4 3 0.25 4 0.3 5 0.01 6 0.04 x f(x) Use the following theorem to determine the variance of the random variable X. The variance of a random variable X is o²=E(X²) - μ².

The random variable X, representing the number of errors per 100 lines of software code, has probability distribution. 2 0.4 3 0.25 4 0.3 5 0.01 6 0.04 x f(x) Use the following theorem to determine the variance of the random variable X. The variance of a random variable X is o²=E(X²) - μ².

A First Course in Probability (10th Edition)
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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The random variable X, representing the number of errors per 100 lines of software code, has the following probability distribution. X f(x) 2 0.4 3 0.25 4 0.3 5 0.01 6 0.04 Use the following theorem to determine the variance of the random variable X. The variance of a random variable X is o² = E(X²) - μ². The variance is (Round to two decimal places as needed.)
Transcribed Image Text:The random variable X, representing the number of errors per 100 lines of software code, has the following probability distribution. X f(x) 2 0.4 3 0.25 4 0.3 5 0.01 6 0.04 Use the following theorem to determine the variance of the random variable X. The variance of a random variable X is o² = E(X²) - μ². The variance is (Round to two decimal places as needed.)
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