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A Quality Analyst wants to construct a sample mean chart for controlling a packaging process. The analyst knows from past experience that whenever this process

A Quality Analyst wants to construct a sample mean chart for controlling a packaging process. The analyst knows from past experience that whenever this process is under control, package weight is normally distributed with a mean of twenty ounces and a standard deviation of two ounces. Each day last week, the analyst randomly selected four packages and weighed each with the following results:0:53:12okDayWeight (ounces)Monday23222324Tuesday23211921Wednesday20192021Thursday18192019Friday18202220If upper and lower control limits of 23 and 17 ounces are used, what is his risk of concluding this process is in control when it is actually out of controlIl error)?Multiple Choice0.31740.95440.68260.04560.0026

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