[Solution] You have been using a control chart to monitor your production process. The probability of a false alarm is .004. On average, how many samples
Question: You have been using a control chart to monitor your production process. The probability of a false alarm is .004.
- On average, how many samples will you take before getting an out of control signal?
- What is the probability that there will be no false alarms in the next 20 samples taken?
- What is the probability that in the next three samples, you get an in control signal, followed by another in control signal, followed by an out of control signal?
- What is the probability that there will be at least one false alarm in the next 30 samples?
- Given that the probability of a false alarm is .004, how many standard deviations away from the center line are the control limits?
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