Mathematics, 15.04.2020 00:58 spiritcampbell56
(1 point) Using diaries for many weeks, a study on the lifestyles of visually impaired students was conducted. The students kept track of many lifestyle variables including how many hours of sleep obtained on a typical day. Researchers found that visually impaired students averaged 8.88.8 hours of sleep, with a standard deviation of 2.122.12 hours. Assume that the number of hours of sleep for these visually impaired students is normally distributed. (a) What is the probability that a visually impaired student gets less than 6.56.5 hours of sleep? Round to four decimal places. (b) What is the probability that a visually impaired student gets between 6.96.9 and 10.610.6 hours of sleep? Round to four decimal places. (c) Fourty percent of students get less than how many hours of sleep on a typical day? Round to two decimal places. hours
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(1 point) Using diaries for many weeks, a study on the lifestyles of visually impaired students was...
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