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OpenStudy (anonymous):
A multiple choice quiz consists of 10 questions, each with 4 possible answers. Find the mean for the number of correct answers, if a student guesses on each question. A) 5.0 B) 2.5 C) 4.0 D) 6.0
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OpenStudy (anonymous):
B) 2.5
OpenStudy (anonymous):
10 * (1/4)
OpenStudy (anonymous):
that was fast thanks
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