COMPONENT DESCRIPTION DEFINITION OF FAILURE Find product in proper size, color, etc. Enter cashier line 1 Can't find product No lines open; lines too long; line experiencing difficulty 2 3 Scan product UPC Won't scan; item not on file; for name, price, etc. scans incorrect name or price Wrong weight; wrong extension; wrong data entry; wrong tax Customer lacks cash; check not acceptable; credit card refused Makes change incorrectly Damages merchandise while bagging; bag splits Calculate purchase total 4 Make payment Make change 7 Bag merchandise Conclude transaction No receipt; unfriendly, rude, and exit 8. or aloof clerk

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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A typical retail transaction consists of several smaller steps, which can be considered components subject to failure. A list of such components might include:                                            Let the eight probabilities of success be .92, .94, .99, .99, .98, .97,
.95, and .96. What is the reliability of the system; that is, the probability
that there will be a satisfied customer? If you were the store
manager, what do you think should be an acceptable value for
this probability? Which components would be good candidates
for backup, which for redesign?
COMPONENT DESCRIPTION
DEFINITION OF FAILURE
Find product in
proper size, color, etc.
Enter cashier line
1
Can't find product
No lines open; lines too long;
line experiencing difficulty
2
3
Scan product UPC
Won't scan; item not on file;
for name, price, etc. scans incorrect name or price
Wrong weight; wrong extension;
wrong data entry; wrong tax
Customer lacks cash; check not
acceptable; credit card refused
Makes change incorrectly
Damages merchandise while
bagging; bag splits
Calculate purchase
total
4
Make payment
Make change
7
Bag merchandise
Conclude transaction No receipt; unfriendly, rude,
and exit
8.
or aloof clerk
Transcribed Image Text:COMPONENT DESCRIPTION DEFINITION OF FAILURE Find product in proper size, color, etc. Enter cashier line 1 Can't find product No lines open; lines too long; line experiencing difficulty 2 3 Scan product UPC Won't scan; item not on file; for name, price, etc. scans incorrect name or price Wrong weight; wrong extension; wrong data entry; wrong tax Customer lacks cash; check not acceptable; credit card refused Makes change incorrectly Damages merchandise while bagging; bag splits Calculate purchase total 4 Make payment Make change 7 Bag merchandise Conclude transaction No receipt; unfriendly, rude, and exit 8. or aloof clerk
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