Andrew Nikolareas, Operations Manager at Sydney’s International Bank, is evaluating the service level provided to walk-i
Posted: Mon Sep 06, 2021 7:08 am
Andrew Nikolareas, Operations Manager at Sydney’s International
Bank, is evaluating the service level provided to walk-in
customers. Accordingly, he plans a sample of waiting times for
walk-in customers. If the population of waiting times has a mean of
15 minutes and a standard deviation of 4 minutes, the probability
that Andrew's sample of 64 will have a mean between 13.5 and 16.5
minutes is:
Bank, is evaluating the service level provided to walk-in
customers. Accordingly, he plans a sample of waiting times for
walk-in customers. If the population of waiting times has a mean of
15 minutes and a standard deviation of 4 minutes, the probability
that Andrew's sample of 64 will have a mean between 13.5 and 16.5
minutes is: