Binomial distribution

Feb 3rd, 2012
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The problem is: A multiple choice test allows five answer choices (a, b, c, d, and e) for each question. A student answers four of the questions by making random guesses. A) Find the probability that the FIRST question answered is correct. B) Find the probability that all four of the answers are wrong. C. find the probability that at least one of the answers is correct. The document discusses how to solve the problem in details.

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A multiple choice test allows five answer choices (a, b, c, d, and e) for each question. A student answers four of the questions by making random guesses.A) Find the probability that the FIRST question answered is correct.B) Find the probability that all four of the answers are wrong.C. find the

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