Mathematics, 22.03.2021 18:00 steven0448
Customers arrive at a checkout counter in a department store according to a Poisson distribution at an average of nine per hour. If it takes approximately ten minutes to serve each customer, find the mean and variance of the total service time in minutes for customers arriving during a 1-hour period. (Assume that a sufficient number of servers are available so that no customer must wait for service.)
Answers: 2
Mathematics, 21.06.2019 12:40
If a • b*2 = 1.8 x 10*-7, and c•b/d = 7.2 x 10*-4, find the value of a•d*2/c*2
Answers: 1
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, 21.06.2019 19:00
Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.
Answers: 3
Mathematics, 21.06.2019 20:00
The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?
Answers: 1
Customers arrive at a checkout counter in a department store according to a Poisson distribution at...
Mathematics, 07.04.2021 20:20
Mathematics, 07.04.2021 20:20
Mathematics, 07.04.2021 20:20
Mathematics, 07.04.2021 20:20
Mathematics, 07.04.2021 20:20
Mathematics, 07.04.2021 20:20
Mathematics, 07.04.2021 20:20
Biology, 07.04.2021 20:20