Mathematics, 11.01.2021 15:50, 1963038660
Customers arrive at a checkout counter in a department store according to a Poisson distribution at an average of seven 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: 3
Mathematics, 21.06.2019 18:30, angelina6836
Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4
Answers: 2
Mathematics, 21.06.2019 19:30, ruddymorales1123
If y varies directly as x2 and y=6 when x=6, find the constant of variation.
Answers: 2
Customers arrive at a checkout counter in a department store according to a Poisson distribution at...
Mathematics, 04.12.2020 17:40
Mathematics, 04.12.2020 17:40
Mathematics, 04.12.2020 17:40
Mathematics, 04.12.2020 17:40