Mathematics, 16.04.2021 03:30 tahtahtw4887
Two methods, A and B, are available for teaching a certain industrial skill. The failure rate is 30% for method A and 10% for method B. Method B is more expensive, however, and hence is used only 20% of the time. (Method A is used the other 80% of the time.) A worker is taught the skill by one of the two methods, but he fails to learn it correctly. What is the probability that he was taught by using method A
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Two methods, A and B, are available for teaching a certain industrial skill. The failure rate is 30%...
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