Question: Assume random variable x follows a probability distribution shown in the table below. Determine the mean and standard deviation of x. X -2 0 1

Assume random variable x follows a probability distribution shown in the table below. Determine the mean and standard deviation of x.

X -2 0 1 2 3

P(x) 0.1 0.1 0.4 0.2 0.2

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