Assume that the control limits of an chart are defined as 3 standard errors above and below the centerline.Calculate the probability that a sample mean falls outside the control limits when the process is in fact under control.

Question

Assume that the control limits of an  chart are defined as 3 standard errors above and below the centerline.Calculate the probability that a sample mean falls outside the control limits when the process is in fact under control.

Quizplus · Accepted Answer

The Answer of Assume that the control limits of an  chart are defined as 3 standard errors above and below the centerline.Calculate the probability that a sample mean falls outside the control limits when the process is in fact under control.

Assume That the Control Limits of an Chart Are