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Mathematics 16 Online
OpenStudy (anonymous):

A machine is tuned correctly 90% of the time. If the machine is correctly tuned, it produces defective items 2% of the time, if not, the probability of it producing defective items is 0.45. The first product of a test run was inspected and found to be defective. What is the probability that the machine had been correctly tuned?

OpenStudy (zarkon):

use Bayes' theorem

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