Question 393054: Out of six computer chips, two are defective. If two chips are randomly chosen for testing (without replacement), compute the probability that both of them are defective. List all the outcomes in the sample space.
Answer by edjones(8007)   (Show Source):
You can put this solution on YOUR website! 2/6 * 1/5 = 2/30 = 1/15
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Let 1 and 2 be defective, 3, 4, 5, 6 non defective.
(1,2) (1,3) (1,4) (1,5) (1,6) (2,3) (2,4) ... (5,6) is the sample space.
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Ed
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