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a. Determine the mean proportion of packages delivered after 10:30 A.M. Mean proportion b. Determine the control limits for the proportion of packages delivered after 10:30 A.M. 3. P(1-P) 230 LCL UCL Were any of the sampled days out of control?

a. Determine the mean proportion of packages delivered after 10:30 A.M. Mean proportion b. Determine the control limits for the proportion of packages delivered after 10:30 A.M. 3. P(1-P) 230 LCL UCL Were any of the sampled days out of control?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Early Morning Delivery Service guarantees delivery of small packages by 10:30 A.M. Of course, some of the packages are not delivered by 10:30 A.M. For a sample of 230 packages delivered each of the last 15 working days, the following numbers of packages were delivered after the deadline: 10, 19, 6, 11, 13, 7, 3, 2, 6, 3, 3, 4, 7, 8, and 6. (Leave no cells blank - be certain to enter "0" wherever required. Round your answers to 3 decimal places.) Click here for the Excel Data File a. Determine the mean proportion of packages delivered after 10:30 A.M. Mean proportion b. Determine the control limits for the proportion of packages delivered after 10:30 A.M. p(1-p) 230 3 LCL UCL Were any of the sampled days out of control? No Yes
Transcribed Image Text:Early Morning Delivery Service guarantees delivery of small packages by 10:30 A.M. Of course, some of the packages are not delivered by 10:30 A.M. For a sample of 230 packages delivered each of the last 15 working days, the following numbers of packages were delivered after the deadline: 10, 19, 6, 11, 13, 7, 3, 2, 6, 3, 3, 4, 7, 8, and 6. (Leave no cells blank - be certain to enter "0" wherever required. Round your answers to 3 decimal places.) Click here for the Excel Data File a. Determine the mean proportion of packages delivered after 10:30 A.M. Mean proportion b. Determine the control limits for the proportion of packages delivered after 10:30 A.M. p(1-p) 230 3 LCL UCL Were any of the sampled days out of control? No Yes
c. If 14 packages out of 230 in the sample were delivered after 10:30 A.M. today, is this sample within the control limits? No Yes
Transcribed Image Text:c. If 14 packages out of 230 in the sample were delivered after 10:30 A.M. today, is this sample within the control limits? No Yes
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