X | P(X) | X*P(X) | (mean - x)^2*P(X) |
-2 | 0.1 | -0.2 | 0.361 |
-1 | 0.3 | -0.3 | 0.243 |
0 | 0.2 | 0 | 0.002 |
1 | 0.4 | 0.4 | 0.484 |
Total | -0.1 | 1.09 |
E(x) = -0.1
Var(x) = 1.09
Let x be a random variable with the following probability distribution: Value x of X -2...
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