Mathematics, 17.03.2020 23:39 tre1124
A collection of 8 backpacks has a mean weight of 14 pounds. A different collection of 12 backpacks has a mean weight of 9 pounds. What is the mean weight of the 20 backpacks? The mean weight is pounds.
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 17:20
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
Mathematics, 22.06.2019 01:00
Harry is at the depot in dover and has deliveries to make in edinburgh, glasgow and aberdeen. from dover which of the deliveries is the shortest distance?
Answers: 1
Mathematics, 22.06.2019 06:00
Ijump serves waffles, pancakes or french toast for breakfast. in addition, there are 14 syrups from which to choose. the meal comes with the choice of chocolate chips, strawberries or no topping. how many different breakfasts are possible at ijump?
Answers: 3
You know the right answer?
A collection of 8 backpacks has a mean weight of 14 pounds. A different collection of 12 backpacks h...
Questions
Arts, 18.03.2021 01:50
Mathematics, 18.03.2021 01:50
Mathematics, 18.03.2021 01:50
Arts, 18.03.2021 01:50
Chemistry, 18.03.2021 01:50
Biology, 18.03.2021 01:50
Mathematics, 18.03.2021 01:50
Social Studies, 18.03.2021 01:50
Biology, 18.03.2021 01:50
Mathematics, 18.03.2021 01:50
Mathematics, 18.03.2021 01:50
World Languages, 18.03.2021 01:50
Mathematics, 18.03.2021 01:50
