SOLUTION: Suppose you just received a shipment of seven televisions. Three of the televisions are defective. If two televisions are randomly​ selected, compute the probability that bot

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Question 1073059: Suppose you just received a shipment of seven televisions. Three of the televisions are defective. If two televisions are randomly​ selected, compute the probability that both televisions work. What is the probability at least one of the two televisions does not​ work?
Answer by Boreal(15235)   (Show Source): You can put this solution on YOUR website!
4 of 7 work
probability both work is (4/7)(3/6)=2/7
probability that one does not work is 2*(4/7)(3/6)=(4/7)+ both don't work, which is (3/7)(2/6) or (1/7). The total and answer is (5/7),

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