Answer to Question #306335 in Statistics and Probability for Prinz

Question #306335

Find the mean of the discrete random variable X with the following probability distribution, X={3, 2, 1, 0} and P(X) = {.125, .375, .375, .125}.




1
Expert's answer
2022-03-08T13:49:02-0500

The mean of X = ΣX*P(X)

= 3(0.125) + 2(0.375) + 1(0.375) + 0(0.125)

= 1.5

Answer: The mean of X =1.5


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