Question
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
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)
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Calculus Early Transcendentals
Authors: Jon Rogawski, Colin Adams, Robert Franzosa
4th Edition
1319055907, 9781319055905
