a ) Over 4 3 , 0 0 0 students graduate from NZ universities each year. Graduates
Question:
a Over students graduate from NZ universities each year. Graduates work for years on average until retirement.
How many graduates will be employed in Explain the assumptions that are used in your solution.
b You are waiting in a line of customers at a Starbucks and observe that there is only one server, who serves customer per minute.
How long would it take to get your coffee?
You go to Starbucks the next day and observe that one server is added. The two servers working together can now serve customers per minute. How long it would take to get your coffee if you are in a line of customers?
c The New Zealand Heart Foundation plans to install a free blood pressure testing booth in Aotea Centre. Previous experience indicates that, on average, people arrive every six minutes with a standard deviation of two minutes. Blood pressure measurements take five minutes on average with a standard deviation of four minutes as the variety of people arriving requires different procedures.
The Heart Foundation management wishes to examine several queueoperating characteristics.
What is the average number of persons that can be expected to be in line?
What is the average amount of time that a person can expect to spend in line?
On average, how much time will it take to measure a person's blood pressure, including waiting time?
On the weekends, the arrival rate can be expected to decrease to nearly persons per hour. What effect will this have on the average waiting time?
Linear Algebra And Its Applications
ISBN: 9781292351216
6th Global Edition
Authors: David Lay, Steven Lay, Judi McDonald