Question: An invoicing process is in control with an average error rate u bar = 1 . 1 4 errors per invoice. A sample of 8

An invoicing process is in control with an average error rate u bar =1.14 errors per invoice. A sample of 88 invoices is obtained with 125 errors detected in the sample. When plotted on the u chart:
A. this new sample is out of control on the u chart.
B. this new sample is in control on the u chart.
C. this new sample's position on the u chart cannot be determined with the information provided.
 An invoicing process is in control with an average error rate

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