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A Discussion On E(X) and Var(X) of X

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

Value x of X......P(X = x)
........-1...............0.05
.........0...............0.05
.........1...............0.60
.........2...............0.05
.........3...............0.15
.........4...............0.10

Find the expectation E(X) and variance var(X) of X.

Solution Summary

This solution is comprised of calculations to help determine E(X) and Var(X). It is provided in an attached Word document.

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