Question: Referring to Exercise 4.35 on page
Referring to Exercise 4.35 on page 127, find the mean and variance of the discrete random variable Z = 3X − 2, when X represents the number of errors per 100 lines of code.
Exercise 4.35:
The random variable X, representing the number of errors per 100 lines of software code, has the following probability distribution:
Using Theorem 4.2 on page 121, find the variance of X.
Transcribed Image Text:
2 3 4 5 f(x) | 0.01 0.25 0.4 0.3 0.04
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