Author Question: Waiting lines happen because there is about the size of demand, timing of arrivals, length of ... (Read 95 times)

Haya94 · **on:** Aug 10, 2018

Waiting lines happen because there is about the size of demand, timing of arrivals, length of service, and behavior of customers.

a. Concern
b. Uncertainty
c. Accuracy
d. Research
e. Regularity

Question 2

Based on 1000 observations, the average duration for weekend dinner at T-Bone's is 70 minutes, with a standard deviation of 20 minutes. Find the time range for 95 of the customers.

a. 50 to 90 minutes
b. 30 to 110 minutes
c. 10 to 130 minutes
d. 50 to 70 minutes
e. 20 to 100 minutes