The mean or expected value of the distribution of a discrete random variable is
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The mean or expected value of the distribution of a discrete random variable is

[From: ] [author: ] [Date: 11-10-25] [Hit: ]
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the average of all possible values of the random variable

the sum of the product of each possible value of the random variable and its probability


the sum of the probabilities of the possible values of the random variable

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the sum of the product of each possible value of the random variable and its probability

Mαthmφm

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