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A test has 48 multiple choice questions with possible answers A, B. C, and D. Only one answer is correct. A student taking the test

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A test has 48 multiple choice questions with possible answers A, B. C, and D. Only one answer is correct. A student taking the test answers every question by guessing randomly. What is the probability that the student will get exactly 15 questions correct? This time we will use the normal approximation to the binomial distribution. What is the mean? = What is the standard deviation? o = P(15) = P(

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