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the average height of first-year university students is 173 cm with a standard deviation of 20 cm. From a class of first-year students that includes

the average height of first-year university students is 173 cm with a standard deviation of 20 cm. From a class of first-year students that includes 200 students, we randomly select 20 students. What is the probability that the average height of these randomly- selected students is more than 180 cm

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