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  3. a a b bbc ccd d f 011 01011 015...

Question: a a b bbc ccd d f 011 01011 015...

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A A B+ BBC+ CCD+ D F 0.11 0.10.11 0.15 0.140.11 0.09 0.06 0.04 0.03 0.06 a) What is the probability that the student gets either a Bor a B- in the class? b) What is the probability that the student gets at least a C? c) What is the probability that the student gets at most an A-

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