Tricky question
Submitted by Anirban Chatterjee on Sun, 01/25/2015 - 14:52
Forums:
Q. By the rule of seven, a process is said to be out of control if a run of seven samples is found on one side of the process mean. What is the probability that a run of seven occurs on either side of the mean due to random variation?
- 0.02
- 0.035
- 0.0156
- 0.0273
Explanations:
