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Question 20 (1 point) The time a student sleeps per night has a distribution with mean 6.15 hours and a standard deviation of 0.5 hours.

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Question 20 (1 point) The time a student sleeps per night has a distribution with mean 6.15 hours and a standard deviation of 0.5 hours. Find the probability that average sleeping time for a randomly selected sample of 40 students is more than 6.29 hours per night. Answer: (round to 4 decimal places) S A/

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