In: Statistics and Probability
Another person found that the hours of sleep for female students is normally distributed with a mean of 8.34 hours and a standard deviation of 10.24 minutes.
(1 mark) What is the probability that a randomly selected female student at the college sleep less than 8.47 hours? (4dp) Answer
What is the probability that a randomly selected female student at the college sleep more than 8.31 hours? (4dp) Answer
What is the probability that a randomly selected female student at the college sleeps between 8.21 and 8.62 hours? (4dp) Answer
(1 mark) If the hours of sleep for a female student was on the 76th percentile, how many hours would she be sleeping? (2dp) Answer hours
In a sample of 24 female students, how many of them would be expected to sleep more than 8.31 hours? (2 dp) Answer