A grocery store has three open checkout lanes. On average, 45 shoppers arrive at these lanes per hour. The coefficient of variation of the interarrival time is equal to one. The average service time for all the lanes is 18 customers per hour, and the coefficient of variation of the service time distribution for all three lanes is three minutes. What is the percentage decrease in utilization when one more checkout lane is added to the system?

Processors can be or which is an indicator of how much data the processors can handle at a given point in time, with the processor being more powerful.

In canada, the reference base period for the cpi is 2002. by 2012, prices had risen by 21.6 percent since the base period. the inflation rate in canada in 2013 was 1.1 percent. calculate the cpi in canada in 2013. hint: use the information that “prices had risen by 21.6 percent since the base period” to find the cpi in 2012. use the inflation rate formula (inflation is the growth rate of the cpi) to find cpi in 2013, knowing the cpi in 2012 and the inflation rate. the cpi in canada in 2013 is round up your answer to the first decimal. 122.9 130.7 119.6 110.5

What is the average price for the cordless telephones (to 2 decimals)? $ b. what is the average talk time for the cordless telephones (to 3 decimals)? hours c. what percentage of the cordless telephones have a voice quality of excellent? % d. what percentage of the cordless telephones have a handset on the base?