Mathematics, 18.02.2020 20:46 jay5134
The entire output of a factory is produced on three machines. The three machines account for 20%, 30%, and 50% of the output, respectively. The fraction of defective items produced is this: for the first machine, 5%; for the second machine, 3%; for the third machine, 1%.
If an item is chosen at random from the total output and is found to be defective,
what is the probability that it was produced by the third machine?
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The entire output of a factory is produced on three machines. The three machines account for 20%, 30...
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