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 bar errors per invoice. A sample of invoices is obtained with errors detected in the sample. When plotted on the chart:
A this new sample is out of control on the chart.
B this new sample is in control on the chart.
C this new sample's position on the chart cannot be determined with the information provided.
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