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.
Answers: 3
Mathematics, 21.06.2019 17:30, peperivera2652738
Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3
Answers: 2
Mathematics, 21.06.2019 18:00, RickyGotFanz4867
What is the upper quartile in the box plot?
Answers: 1
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