Twenty-five samples of 100 items each were inspected when a process was consideredto be operating satisfactorily. In the 25 samples, a total of 135 items were found to bedefective.a. What is an estimate of the proportion defective when the process is in control?b. What is the standard error of the proportion if samples of size 100 will be used forstatistical process control?c. Compute the upper and lower control limits for the control chart
Twenty-five samples of 100 items each were inspected when a process was consideredto be operating satisfactorily. In the 25 samples, a total of 135 items were found to bedefective.a. What is an estimate of the proportion defective when the process is in control?b. What is the standard error of the proportion if samples of size 100 will be used forstatistical process control?c. Compute the upper and lower control limits for the control chart
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 30PPS
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Twenty-five samples of 100 items each were inspected when a process was considered
to be operating satisfactorily. In the 25 samples, a total of 135 items were found to be
defective.
a. What is an estimate of the proportion defective when the process is in control?
b. What is the standard error of the proportion if samples of size 100 will be used for
statistical process control?
c. Compute the upper and lower control limits for the control chart
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