Conditional Probabilityhard
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A bin contains 10 batteries, 3 of which are dead. You test batteries one by one without replacement until you find a dead one. What is the probability that the first dead battery is found on exactly the third draw?
A bin contains 10 batteries, 3 of which are dead. You test batteries one by one without replacement until you find a dead one. What is the probability that the first dead battery is found on exactly the third draw?