Question: 4.49 Consider the situation in Exercise 4.32 on page 139. The distribution of the number of imperfections per 10 meters of synthetic failure is given

4.49 Consider the situation in Exercise 4.32 on page 139. The distribution of the number of imperfections per 10 meters of synthetic failure is given by x 0 1 2 3 4 f(x) 0.41 0.37 0.16 0.05 0.01 Find the variance and standard deviation of the number of imperfections.

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