After a number of complaints about its directory assistance, a telephone company examined samples of calls to
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After a number of complaints about its directory assistance, a telephone company examined samples of calls to determine the frequency of wrong numbers given to callers. Each sample consisted of 100 calls. Determine 95 percent limits. Is the process stable (i. e., in control)?Explain.
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SAMPLE 1 2 3 4 5 67 8 9 10 12 13 14 15 16 Number of errors
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Given A telephone company took 16 samples of 100 calls as shown below Det...View the full answer
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