Question

A repair shop has two technicians with different levels of training. The technician with advanced training is able to fix problems 92% of the time, while the other has a success rate of 80%. Suppose you have a 30% chance of obtaining the technician with advanced training.
a. Draw a probability tree for this situation.
b. Find the probability that your problem is fixed.
c. Given that your problem is fixed, find the probability that you did not obtain the technician with advanced training.


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  • CreatedNovember 11, 2015
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