Find probability that sheer guesswork yields correct answers

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Reference no: EM13159537

a multiple choice test has 80 questions, each with 4 possible answers, of which only 1 is correct. What is the probability that sheer guesswork yields betwenn 25 to 30 correct answers for the test (assume the student has no knowledge of the problems). Be sure to justify why you can use the method you do.

Reference no: EM13159537

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