What is the expected number of flaws

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The following data are the result of a historical study of the number of flaws found in a porcelain cup produced by a manufacturing firm. What is the expected number of flaws and the standard deviation of the number offlaws?

Flaws

Probability

0

.461

1

.285

2

.129

3

.087

4

.038



Reference no: EM131419164

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