...are chosen...? The probability that both are defective is:
1/1000
1/110
1/11
1/10
I know the answer is 1/110...but I really need an explanation of why it is 1/110. Thanks.
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08-11-2010, 04:17 AM #1Junior Member
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A test shows that 10 out of 100 gadgets are defective. In a sample, 2 gadgets...
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