Taking an eight-question true or false quiz

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Assume that you are taking an eight-question true or false quiz.

a. How many different ways are there to answer all eight questions?

b. How many ways are there to get no questions? wrong? One? question? Two? questions?

c. ?If, not having? studied, you simply guess at each? answer, what are your chances of getting seven or more? correct?

Reference no: EM131889695

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