The random variable X, representing the number of errors
Chapter , Problem 2.77(choose chapter or problem)
The random variable X, representing the number of errors per 100 lines of software code, has the following probability distribution: x 2 3 45 6 f(x) 0.01 0.25 0.4 0.3 0.04 Using Theorem 2.2 on page 83, find the variance of X.
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