Mathematics, 07.03.2020 02:29, Jasten
A statistics professor randomly selects 31 students from their morning class and asks ``How much sleep did youget the night before?''. The sample average was 6.5 hours, and the sample standard deviation was 3.2 hours. a) Find the 95% confidence interval for the average sleep (in hours) that statistics students in the morning class gotthe night before and interpret your interval in terms of the problem.
Answers: 3
Mathematics, 21.06.2019 17:00, cjd1214812148
The rectangle on the right is the image of the rectangle on the left. what transformation would result in this image? reflection rotation translation dilation
Answers: 2
Mathematics, 21.06.2019 17:20, kolbehoneyman
Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers. a) one of the 400 passengers is selected uniformly at random. let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driverβs airplane. find var(y) for y as given in the problem
Answers: 3
A statistics professor randomly selects 31 students from their morning class and asks ``How much sle...
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English, 09.07.2019 02:30
English, 09.07.2019 02:30