Portable Toilet and Practice Questions Concierge
Module 4 – Practice Questions Concierge Consider the concierge service at a large resort. The concierge helps guests with various tasks, including reservations at local restaurants or offering advice on various local activities. On average, 12 guests arrive at the concierge desk per hour (the standard deviation of the inter-‐arrival times is equal to 5 minutes). The hotel has only one concierge on service. It takes the concierge, on average, 4 minutes to help the guest with their questions. The standard deviation of this time is three minutes.
C1. What is the average time a guest has to wait before talking to the concierge?
C2. How many guests will, on average, be at the concierge’s desk (either talking to the concierge or waiting in line)? (Your answer does NOT have to be an integer.) MusicVenue MusicVenue is a concert organizer that is evaluating the installation of portable toilets in the arena where a concert is going to take place. In particular, they are considering giving service to a part of the complex that is far away from the existing restrooms. Assume there will be one single queue to access all portable toilets in this area and
C1. What is the average time a guest has to wait before talking to the concierge?
C2. How many guests will, on average, be at the concierge’s desk (either talking to the concierge or waiting in line)? (Your answer does NOT have to be an integer.) MusicVenue MusicVenue is a concert organizer that is evaluating the installation of portable toilets in the arena where a concert is going to take place. In particular, they are considering giving service to a part of the complex that is far away from the existing restrooms. Assume there will be one single queue to access all portable toilets in this area and