Question: Let X be a random variable with the following probability distribution: x - 2 3 5 D f(x) 0.5 0.3 0.2 Find the standard deviation

Let X be a random variable with the following probability distribution:

Let X be a random variable with the following probability distribution: x - 2 3 5 D f(x) 0.5 0.3 0.2 Find the standard deviation of X

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