Determine mean and variance and standard deviation of x

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1. The values of x in a discrete probability distribution must be both exhaustive and mutually exclusive. What is meant by these two terms?

2. A discrete random variable can have the values x = 3, x = 8, or x = 10, and the respective probabilities are 0.2, 0.7, and 0.1. Determine the mean, variance, and standard deviation of x.

Reference no: EM131404074

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