Saturday
April 19, 2014

Homework Help: Math

Posted by Jen on Tuesday, July 19, 2011 at 5:31pm.

In a multiple-choice test, each question has five options. Students will get 5 points for each correct answer; lose 2 point for each incorrect answer; and receive no points for unanswered questions. A student does not know the correct answer for one question. Is it to her advantage or disadvantage to guess an answer? Show your calculations for expected value

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