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The mean age of all students at a certain college is22 years and the standard deviation is2 years. What is the probability that the mean

The mean age of all students at a certain college is22

years and the standard deviation is2

years.

What is the probability that the mean age of a randomly selectedsample of100

students will be less than21.8

years? Round your answer to threedecimal places. Do not include units in your answer.

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