The probability mass function of a random variable X is as follows: frx) = x! x = 0, 1, 2, ... Given that X is at least 2, calculate the probability that X is greater than 4.

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The probability mass function of a random variable X is as follows:
fx(x) =
x = 0, 1, 2, ...
x!
Given that X is at least 2, calculate the probability that X is greater than 4.
Transcribed Image Text:The probability mass function of a random variable X is as follows: fx(x) = x = 0, 1, 2, ... x! Given that X is at least 2, calculate the probability that X is greater than 4.
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