In testing a certain kind of missile, target accuracy is measured by the average distance X...

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In testing a certain kind of missile, target accuracy is measured by the average distance X (from the target) at which the missile explodes. The distance X is measured in miles and the sampling distribution of X is given by: X 0 10 50 100 P(X) 14 17 2/71/2 Calculate the variance of this sampling distribution. In testing a certain kind of missile, target accuracy is measured by the average distance X (from the target) at which the missile explodes. The distance X is measured in miles and the sampling distribution of X is given by: X 0 10 50 100 P(X) 14 17 2/71/2 Calculate the variance of this sampling distribution.