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A college found that 85% of its students pass their introductory statistics course. A random sample of 20 students are selected from this course. (a)

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A college found that 85% of its students pass their introductory statistics course. A random sample of 20 students are selected from this course. (a) What is the probability that 17 of the selected students pass the course? (b) What is the probability that at least 3 students pass the course? Give your answers to 4 decimal places. (Hint: Use the Binomial probability distribution.)

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