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A multiple-choice test consists of 8 questions. Each question has answer choices of a , b , c , d , and e , and

A multiple-choice test consists of 8 questions. Each question has answer choices of

a,b,c,d, and e , and only one of the choices is correct. If a student randomly guesses on each question, what is the probability that he gets at least 3 of them correct?

Carry your intermediate computations to at least four decimal places, and round your answer to two decimal places.

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