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)

Finite Math  Anonymous, Thursday, October 16, 2014 at 11:19pm
its easy
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