Question: Assume a process's acceptable defect rate is [1%, 3%], and the following table shows detailed sample data from the past two days. Day 1 Day

Assume a process's acceptable defect rate is [1%, 3%], and the following table shows detailed sample data from the past two days.

Day 1 Day 2
# of defective product 1 2
total # of examined product 50 250

A. Only the process in day 1 is in control.

B. Only the process in day 2 is in control.

C. Both the processes in day 1 and day 2 are in control.

D. Both the processes in day 1 and day 2 are out of control.

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