Statistics Homework Solutions
#3637
Probability - expected number and the standard deviation
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. Use these data and the associated probabilities to compute the expected number and the standard deviation of flaws.
Flaws Probability
0 0.461
1 0.285
2 0.129
3 0.087
4 0.038
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