6: Binomial Probability Distribution
- Page ID
- 28638
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- 6.2: Mean or Expected Value and Standard Deviation
- The expected value is often referred to as the "long-term" average or mean. This means that over the long term of doing an experiment over and over, you would expect this average. This “long-term average” is known as the mean or expected value of the experiment and is denoted by the Greek letter μμ . In other words, after conducting many trials of an experiment, you would expect this average value.