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Mathematics, 20.02.2020 01:52 olaffm9799

A journal published a study of the lifestyles of visually impaired students. Using diaries, the students kept track of several variables, including number of hours of sleep obtained in a typical day. These visually impaired students had a mean of 8.95 hours and a standard deviation of 2.01 hours. Assume that the distribution of the number of hours of sleep for this group of students is approximately normal.

Find the value a for which P(x < a) equals0.3.

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A journal published a study of the lifestyles of visually impaired students. Using diaries, the stud...

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