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
Answers: 3
Mathematics, 21.06.2019 16:00
Afactory adds 3 red drops and 2 blue drops of coloring to white paint to make each pint of purple paint. the factory will make 50 gallons of the purple paint.how many drops of red and blue coloring will the factory need in the 50 gallon batch of purple paint.
Answers: 1
Mathematics, 21.06.2019 19:50
Which statement is true? n is a point of tangency on circle p. pt is a secant of circle p. is a secant of circle p. vu is a tangent of circle p.
Answers: 3
Mathematics, 21.06.2019 23:40
Solve these problems: 1.what is the perimeter of an equilateral triangle with sides measuring 6cm? 2. a regular pentagon has sides measuring 3.2 cm. what is its perimeter? 3. a regular decagon has sides of 3.5mm . what is it’s perimeter? 4. a regular octagon has a perimeter of 64cm. what is the length of one of the sides? 5. a regular hexagon has a perimeter of 72mm . what is the length of one of the sides? 6. what is the perimeter of a rhombus with sides measuring 11m?
Answers: 2
(1 point) Using diaries for many weeks, a study on the lifestyles of visually impaired students was...
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