A Company Has 2 Machines That Produce Widgets

question 51

Multiple Choice

A company has 2 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 3 times as many widgets as the older machine does.Given that a randomly chosen widget was tested and was found to be defective,what is the probability that it was produced by the new machine?

• A)0.08
• B)0.15
• C)0.489
• D)0.511

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