A local supermarket wants to determine how many cashier stations should be open to accommodate customers. A sampling study was conducted over a 3-day period wherein 20 observations were made. There are a total of 10 cashier stations. How many stations should be open to minimize the cost? If the manager wants and error of not more than 6% at a 98% confidence level, how many observations must be made? Observation 1 2 3 4 in 5 6 7 00 9 10 Cashier Idle 3 4 2 O 2 2 0 3 Observation 11 12 13 14 15 16 17 18 19 20 Cashier Idle 3 1 2 O 3 2 4 4 3 1
A local supermarket wants to determine how many cashier stations should be open to accommodate customers. A sampling study was conducted over a 3-day period wherein 20 observations were made. There are a total of 10 cashier stations. How many stations should be open to minimize the cost? If the manager wants and error of not more than 6% at a 98% confidence level, how many observations must be made? Observation 1 2 3 4 in 5 6 7 00 9 10 Cashier Idle 3 4 2 O 2 2 0 3 Observation 11 12 13 14 15 16 17 18 19 20 Cashier Idle 3 1 2 O 3 2 4 4 3 1
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...
Related questions
Question
standard time and work sampling
1.) How many stations should be open to minimize the cost?
2.) If the manager wants and error of not more than 6% at a 98% confidence level, how many observations must be made?
3.)
![A local supermarket wants to determine how many cashier stations should be open to accommodate customers. A sampling study
was conducted over a 3-day period wherein 20 observations were made. There are a total of 10 cashier stations. How many stations
should be open to minimize the cost? If the manager wants and error of not more than 6% at a 98% confidence level, how many
observations must be made?
Observation
1
2
3
4
5
6
7
8
9
10
Cashier Idle
3
0
1
4
2
0
2
2
0
3
Observation
11
12
13
14
15
16
17
18
19
20
Cashier Idle
3
1
2
0
3
2
4
4
3](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdc0eb36d-5e6d-449b-8c0b-ea56200b46da%2Fd8869871-8ee0-42d7-99bb-6e0eaff68aa1%2Fbmdrgb5_processed.png&w=3840&q=75)
Transcribed Image Text:A local supermarket wants to determine how many cashier stations should be open to accommodate customers. A sampling study
was conducted over a 3-day period wherein 20 observations were made. There are a total of 10 cashier stations. How many stations
should be open to minimize the cost? If the manager wants and error of not more than 6% at a 98% confidence level, how many
observations must be made?
Observation
1
2
3
4
5
6
7
8
9
10
Cashier Idle
3
0
1
4
2
0
2
2
0
3
Observation
11
12
13
14
15
16
17
18
19
20
Cashier Idle
3
1
2
0
3
2
4
4
3
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