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October 24, 2014

Homework Help: Binomial Distribution

Posted by Price on Wednesday, April 18, 2012 at 8:35pm.

A biology quiz consists of twelve multiple-choice questions. Eight must be answered correctly to receive a passing grade. If each question has five possible answers, of which only one is correct, what is the probability that a student who guesses at random on each question will pass the examination? (Round your answer to four decimal places.)

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