A service provider checks 24 samples of 200 clients to see whether or not they are giving
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A service provider checks 24 samples of 200 clients to see whether or not they are giving an acceptable level of service. The numbers of unsatisfactory results were as follows.
Draw control charts with 95% and 99% confidence limits on theprocess.
Transcribed Image Text:
Day Number of Day Number of Day Number of defects defects defects 9 15 10 13 11 16 12 17 13 20 14 19 15 17 16 22 1 2 17 20 18 19 1925 20 16 21 15 22 13 23 24 24 25 2 3 3 22 17 7 21 17
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