Manufacturer of ink-jet printer checks samples

Reference no: EM13165866

A manufacturer of ink-jet printer checks samples of 50 printers for functionality at the conclusion of the assembly process. The results of 10 samples are shown below

Sample # 1 2 3 4 5 6 7 8 9 10
# defective 1 16 9 9 4 8 7 7 6 5

What are the lower and upper 3-sigma control limits?

What sample is out of control?

Reference no: EM13165866

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