A control chart for the number of nonconforming cell phone cases is maintained on a plastic molding process with np = 16.0. A sample of size 100 is taken each day and analyzed. (a) What is the probability that a shift in the process average to np = 20.0 will be detected on the first day following the shift?

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Problem 2.
A control chart for the number of nonconforming cell phone cases is maintained on a
plastic molding process with np = 16.0. A sample of size 100 is taken each day and
analyzed.
(a) What is the probability that a shift in the process average to np = 20.0 will be
detected on the first day following the shift?
Transcribed Image Text:Problem 2. A control chart for the number of nonconforming cell phone cases is maintained on a plastic molding process with np = 16.0. A sample of size 100 is taken each day and analyzed. (a) What is the probability that a shift in the process average to np = 20.0 will be detected on the first day following the shift?
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