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Page history last edited by PBworks 18 years, 1 month ago

Problem 2 of 3


A factory uses two machines to produce shovel handles. Machine A accounts for 40% of the total production while Machine B produces the rest. Machine A's production is 4% defective while Machine B's is 3% defective.


(a) Provide a diagram that illustrates this situation and indicate all probabilities.


(b) What is the probability that the factory produces a defective handle?


(c) If 5000 shovel handles are produced, how many would you expect to be defective?



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