SOLUTION: An unscruplolous manufacturer knows that in a box of dozen light bulbs ,which he intends selling to a customer,four are in fact not working .He watches nervously as the customer in
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Question 261165: An unscruplolous manufacturer knows that in a box of dozen light bulbs ,which he intends selling to a customer,four are in fact not working .He watches nervously as the customer insists on removing three and tsting them.What is the probability that only one of the three tested fails to work? Answer by stanbon(75887) (Show Source):
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