Posted by **Lynn** on Sunday, April 7, 2013 at 11:21pm.

A multiple choice quiz consists of 20 questions, each with 3 possible equally likely answers. If a student guesses at the answer to each question, then the mean number of correct answers selected by the student is?

- LBCC -
**andre**, Monday, July 6, 2015 at 12:09am
78125

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