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October 24, 2014

Homework Help: math

Posted by gift onos on Sunday, September 23, 2012 at 10:38pm.

A box contain 12 cell phones of which 4 are defective.all phones look alike.3 phones are drawn randomly what is the probability.1 all the 3 bulbs are defective.2 at least 2 of the bulbs chosen are defective.3 at most 2 of the bulbs chosen are defective.hint use combination analysis

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