Answer to Question #315630 in Statistics and Probability for Yen

Statistics and Probability

Question #315630

Find the mean of the probability distribution of a random variable X which can take

only the values 3, 5, and 7, given that P(3)=7/30, P(5)= 1/3, and P(7)=13/30

Expert's answer

"\\mu=3*\\frac{7}{30}+5*\\frac{1}{3}+7*\\frac{13}{30}=5.4."

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