SOLUTION: 1. A shipment of 10 TV sets contains 3 defective units. If three units are taken for inspection, then what is the probability that: a. all the defective TV sets are included b.

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Question 1189344: 1. A shipment of 10 TV sets contains 3 defective units. If three units are taken for inspection, then what is the probability that:
a. all the defective TV sets are included
b. no defective TV set shall be included
c. only one of the defective TV sets shall be included
Answer by ikleyn(52803) About Me  (Show Source):
You can put this solution on YOUR website!
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1. A shipment of 10 TV sets contains 3 defective units. If three units are taken for inspection,
then what is the probability that:
a. all the defective TV sets are included;
b. no defective TV set highlight%28cross%28shall_be%29%29 are included;
c. only one of the defective TV sets highlight%28cross%28shall_be%29%29 are included.
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(a)  P = %283%2F10%29%2A%282%2F9%29%2A%281%2F8%29 = 6%2F720 = 1%2F120.



(b)  P = %287%2F10%29%2A%286%2F9%29%2A%285%2F8%29 = 210%2F720 = 7%2F24.



(c)  P = %28C%5B3%5D%5E1%2AC%5B7%5D%5E2%29%2FC%5B10%5D%5E3 = %283%2A21%29%2F120 = 21%2F40.

Solved.