Last Updated
：2025/11/21
probability mass function
（ plural ）
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(mathematics) A function that gives the relative probability that a discrete random variable is exactly equal to some value.
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probability mass function
To analyze a discrete random variable, we often examine its probability mass function to determine the probability assigned to each possible value.
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To analyze a discrete random variable, we often examine its probability mass function to determine the probability assigned to each possible value.
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