Question: Use the alternative formula for variance to calculate the variance of the random variable in Table 11. Table 11 Pr(X = k) %3D -2 -1

Use the alternative formula for variance to calculate the variance of the random variable in Table 11.

Table 11 Pr(X = k) %3D -2 -1 .2 .2 1 .2 2 .2

Table 11 Pr(X = k) %3D -2 -1 .2 .2 1 .2 2 .2

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