Mathematics, 11.03.2021 08:40 daltondespain2
For males in a certain town, the systolic blood pressure is normally distributed with a mean of 120 and a standard deviation of 9. Using the empirical rule, determine the interval of systolic blood pressures that represent the middle 99.7 of males.
Answers: 2
Mathematics, 21.06.2019 17:00, sciencecreation87
Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.
Answers: 1
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 driver’s airplane. find var(y) for y as given in the problem
Answers: 3
For males in a certain town, the systolic blood pressure is normally distributed with a mean of 120...
Mathematics, 11.06.2021 18:40
Spanish, 11.06.2021 18:40
Mathematics, 11.06.2021 18:40
Mathematics, 11.06.2021 18:40
Social Studies, 11.06.2021 18:40
Biology, 11.06.2021 18:40
English, 11.06.2021 18:40