Homework Help: Finite Math

Posted by Toni on Monday, October 8, 2012 at 8:15pm.

A biology quiz consists of 10 multiple -choice questions. 7 must be answered correctly to receive a passing grade. If each question has 4 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 to four decimal places)

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