One of New England​ Air's top competitive priorities is​ on-time arrivals. Quality VP Clair Bond decided to personally monitor New England​ Air's performance. Each week for the past 30​ weeks, Bond checked a random sample of 100 flight arrivals for​ on-time performance.   LOADING... Click the icon to view the table that contains the number of flights that did not meet New England​ Air's definition of on time. Part 2 ​a) The overall fraction of late flights is enter your response here ​(enter your response as a real number rounded to two decimal​ places.)   Sample (week) Late Flights Sample (week) Late Flights 1 4 16 3 2 2 17 2 3 11 18 10 4 2 19 2 5 1 20 1 6 2 21 1 7 6 22 21 8 7 23 4 9 10 24 1 10 0 25 2 11 3 26 2 12 3 27 0 13 1 28 1 14 3 29 4 15 7 30 4

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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One of New England​ Air's top competitive priorities is​ on-time arrivals. Quality VP Clair Bond decided to personally monitor New England​ Air's performance. Each week for the past 30​ weeks, Bond checked a random sample of 100 flight arrivals for​ on-time performance.
 
LOADING...
Click the icon to view the table that contains the number of flights that did not meet New England​ Air's definition of on time.
Part 2
​a) The overall fraction of late flights is
enter your response here
​(enter your response as a real number rounded to two decimal​ places.)
 
Sample (week) Late Flights Sample (week) Late Flights
1 4 16 3
2 2 17 2
3 11 18 10
4 2 19 2
5 1 20 1
6 2 21 1
7 6 22 21
8 7 23 4
9 10 24 1
10 0 25 2
11 3 26 2
12 3 27 0
13 1 28 1
14 3 29 4
15 7 30 4
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Using a​ 95% confidence​ level, the upper and lower control limits​ are:
 
Upper control limit
​(UCLp​)=enter your response here
​(enter your response as a fraction between 0 and​ 1, rounded to four decimal​ places).
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