hallparker5329 hallparker5329

19-10-2017
Mathematics

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A box contains 10 transistors, 4 of which are defective. If 3 are sold at random, find the probability that exactly 1 are defective.

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maaronjolley maaronjolley

19-10-2017

I'd say around 10%
4 out of 10 = 40%
3 out of the 10 are sold = 30%
1 out of the 3 might be bad = 10%
I may be wrong.

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