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Mathematics, 11.03.2020 19:36 SMNS625

If the requirements of np greater than or equals 5 and nq greater than or equals 5 are both satisfied, estimate the indicated probability by using the normal distribution as an approximation to the binomial distribution; if np less than 5 or nq less than 5 then state that the normal approximation should not be used. With nequals10 guesses on a medical exam and pequals0.25 for a correct answer, find P(at least 3 correct answers).

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