Question: Below is a question i am having some issues working through; thank you. Again we have two methods, A and B, available for teaching a

Below is a question i am having some issues working through; thank you.

Again we have two methods, A and B, available for teaching a certain industrial skill. There is a 75% chance of successfully learning the skill if method A is used, and a 95% chance of success if method B is used. However, method B is substantially more expensive and is therefore used only 20% of the time (method A is used the other 80% of the time). A worker learned the skill successfully. What is the probability that he was taught by method A? .80x.75 .80x.75 + .20x.95 ~. 7595 .80x.75 .75 + .95 - ~. 3529 20x.95 .80x.75 + .20x.95 ~. 2405 O .80 x .75 = .60 O .75

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