10.1. USES OF PROBABILITY
This chapter on probability will help you problem-solve when the data aren't quite as obvious. The probability analysis included is not only the basis for many of the Six Sigma tools, but knowledge of probability can also be used independently on many problems.
We are frequently making estimates on the likelihood of an event, its probability—for example, the chance of rain, of winning the lottery, or of being in a plane crash. Some probabilities are easy to calculate and intuitive, like the chance of getting a head on a coin flip (one in two, or 0.5). Some probabilities are not easy to calculate nor intuitive, like the probability of an earthquake.
In Six Sigma we also need to estimate the probability of an event. In ...
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