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A student randomly guesses at 5 multiple choice questions. Find the probability that the student guesses...

A student randomly guesses at 5 multiple choice questions. Find the probability that the student guesses 3 or more correctly. Each question has 8 possible answers with only one correct answer, and each question is independent of every other question. (Round to the nearest ten thousandths. I.e. 4 decimal places. Use the Binomial)
Math   Statistics-And-Probability   
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