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Mathematics, 28.06.2021 16:20 ajj3233

The following function is probability mass function. x -2 -1 0 1 2
f(x) 1/9 2/9 3/9 2/9 1/9

Required:
Determine the mean and variance of the random variable.

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The following function is probability mass function. x -2 -1 0 1 2
f(x) 1/9 2/9 3/9 2/9 1/9
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