Mathematics, 16.01.2020 22:31 julesR9814
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 were obtained on a typical day. researchers found that visually impaired students averaged 9.87 hours of sleep, with a standard deviation of 1.1 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 6.1 hours of sleep? b. what is the probability that a visually impaired student gets between 6.5 and 7.89 hours of sleep?
Answers: 2
Mathematics, 21.06.2019 16:40
The graph of which equation includes the points (0, 10) and (10, 11)? y = 10x + 11 y = x + 10 y= 1/10x + 10 y = 1/10x + 11
Answers: 1
Mathematics, 21.06.2019 18:50
Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15
Answers: 1
Mathematics, 21.06.2019 21:30
Joe has a rectangular chicken coop. the length of the coop is 4 feet less than twice the width. the area of the chicken coop is 510 square feet. what is the length of the chicken coup?
Answers: 3
Using diaries for many weeks, a study on the lifestyles of visually impaired students was conducted....
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