Question: 4.34 Let X be a random variable with the following probability distribution: x 2 3 5 f(x) 0.3 0.3 0.4 Find the standard deviation of

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

x −2 3 5 f(x) 0.3 0.3 0.4 Find the standard deviation of X.

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