Answer to Question #305306 in Statistics and Probability for aldrin

Statistics and Probability

Question #305306

Find the mean of the following probability of a random variable X. P(1) = 1/8 , P(2) = 3/8, P(4) = 3/8, P(4) = 1/8

Expert's answer

"\\mu=1*\\frac{1}{8}+2*\\frac{3}{8}+3*\\frac{3}{8}+4*\\frac{1}{8}=\\frac{5}{2}=2.5."

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