Saturday
April 19, 2014

Homework Help: math

Posted by Anonymous on Tuesday, April 24, 2012 at 4:45pm.

On the last math quiz, there were four A's, two B's, five C's, and one D's. If the math quizzes were returned to the students in random order, what is the probability that the first quiz returned to a student was an A or a B?

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