Se Kaltura Question 18
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10 pts
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The average amount of sleep students get a night is normally distributed with a mean of 6
hours and a standard deviation of 2.5 hours.
What is the probability that the amount of sleep time by a student selected at random is
more than 5 hours? (Select)
If you select 16 people, what is the probability that their mean amount of sleep time is less
than 7 hours? [Select)
If you select 16 people, what is the probability that their mean amount of sleep time is
between 5.5 to 7 hours? (Select ]
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