The figure below details the process flow for two types of customers who enter​ Barbara's Boutique shop for customized dress alterations. After step​ T1, Type A customers proceed to step T2 and then to any of the three workstations at​ T3, followed by steps T4 and T7. After step​ T1, Type B customers proceed to Step T5 and then steps T6 and T7. The numbers in parentheses are the minutes it takes to process a customer.                                                           T1TypeT3-cT2T5(13)A or B(12)(16)(13)T3-b(12)(15)T3-a         x y graph                             T4T6(10)(17)(22)T7         x y graph a. What is the capacity of​ Barbara's shop in terms of the numbers of Type A customers who can be served in an​ hour? Assume no customers are waiting at steps T1 or T7. nothing customers. ​(Enter your response rounded down to the next whole​ number.) b. If 30 percent of the customers are Type A customers and 70 percent are Type B​ customers, what is the average capacity of​ Barbara's shop in customers per​ hour? nothing customers. ​(Enter your response rounded to two decimal​ places.) c. Assuming that the arrival rate is greater than five customers per​ hour, when would you expect Type A customers to experience waiting​ lines, assuming no Type B customers in the​ shop?   A. Steps​ T1, T2, and T4.   B. Step T3 only.   C. Steps T3 and T4.   D. Steps​ T1, T2,​ T3, and T4. Where would the Type B customers have to​ wait, assuming no Type A​ customers?     A. Steps T6 and T7.   B. Step T6 only.   C. Steps T1 and T7.   D. Steps​ T1, T5, and T6.

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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The figure below details the process flow for two types of customers who enter​ Barbara's Boutique shop for customized dress alterations. After step​ T1, Type A customers proceed to step T2 and then to any of the three workstations at​ T3, followed by steps T4 and T7. After step​ T1, Type B customers proceed to Step T5 and then steps T6 and T7. The numbers in parentheses are the minutes it takes to process a customer.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
T1TypeT3-cT2T5(13)A or B(12)(16)(13)T3-b(12)(15)T3-a
 
  •  
  •  
  •  
x y graph
 
 
 
 
 
 
 
 
 
 
 
 
 
 
T4T6(10)(17)(22)T7
 
  •  
  •  
  •  
x y graph
a. What is the capacity of​ Barbara's shop in terms of the numbers of Type A customers who can be served in an​ hour? Assume no customers are waiting at steps T1 or T7.
nothing
customers. ​(Enter your response rounded down to the next whole​ number.)
b. If
30
percent of the customers are Type A customers and
70
percent are Type B​ customers, what is the average capacity of​ Barbara's shop in customers per​ hour?
nothing
customers. ​(Enter your response rounded to two decimal​ places.)
c. Assuming that the arrival rate is greater than five customers per​ hour, when would you expect Type A customers to experience waiting​ lines, assuming no Type B customers in the​ shop?
 
A.
Steps​ T1, T2, and T4.
 
B.
Step T3 only.
 
C.
Steps T3 and T4.
 
D.
Steps​ T1, T2,​ T3, and T4.
Where would the Type B customers have to​ wait, assuming no Type A​ customers?
 
 
A.
Steps T6 and T7.
 
B.
Step T6 only.
 
C.
Steps T1 and T7.
 
D.
Steps​ T1, T5, and T6.
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