Cash registers
When eight cash registers are open in the grocery store, customers wait for an average of 12 minutes.
What will the waiting time be if the other two cash registers open?
What will the waiting time be if the other two cash registers open?
Final Answer:

Tips for related online calculators
Looking for help with calculating arithmetic mean?
Looking for a statistical calculator?
Do you want to convert time units like minutes to seconds?
Looking for a statistical calculator?
Do you want to convert time units like minutes to seconds?
You need to know the following knowledge to solve this word math problem:
statisticsbasic operations and conceptsUnits of physical quantitiesGrade of the word problem
Related math problems and questions:
- Ten cashiers
Ten cashiers are open at Tesco. Customers wait an average of 15 minutes. How many other cashiers have to open to reduce the waiting time by 4 minutes? - Checkout waiting time
When only three checkouts are open in a supermarket, people wait in line for an average of 10 minutes. How many minutes will the average waiting time in line be if two more checkouts open? - Supermarket cashiers
When only two checkouts are open in a supermarket, people wait in line for an average of 12 minutes. If three more ticket offices are opened, how much will the average waiting time in line be reduced? - Grocery store
You spend 4/5 of an hour at the mall. You spend 1/3 of that time in the food court. How many minutes are you in the food court? - The airlines
The airline's company is interested in decreasing the waiting time spent by customers while buying air tickets. So, the relationship between waiting time "y" in minutes and the number of counters "x" operating to sell tickets has been studied (Marks 6) Th - Restaurant waiter guests
The restaurant was fully booked at lunchtime. While only three waiters staffed the restaurant, guests waited an average of 45 minutes for the lunch menu. On average, how many minutes will the guests wait if the three waiters are joined by two more waiters - Normal Distribution Probability
The waiting time in the buffet is governed by the normal distribution with a mean value of 130 seconds and a variance of 400. What is the probability that someone will wait less than a minute and a half?
