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A Company Has Two Machines That Produce Widgets

Question 146

Multiple Choice

A company has two machines that produce widgets. An older machine produces 23% defective widgets, while the new machine produces only 8% defective widgets. In addition, the new machine produces three times as many widgets as the older machine does. Given a randomly chosen widget was tested and found to be defective, what is the probability it was produced by the new machine?


A) 0.08
B) 0.15
C) 0.489
D) 0.511

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