Please clarify this statement:
If you look at the probability of attaining 6 sigma (2 parts per billion), what does this say when the .400 batting average is at least 6 sigma from the mean?© BrainMass Inc. brainmass.com June 3, 2020, 9:18 pm ad1c9bdddf
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The limits are generally used in statistical process controls to specify how much deviation is allowed from the mean process specifications.
1 means a deviation of plus or minus one standard deviation from the mean value is allowed (or was achieved in a process). This has a probability of 0.6827, which means a failure rate of 31.73%.
The concept of Six Sigma explained briefly and the given statement has been interpreted.