Difference between revisions of "Expected Value"
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+ | *[[IT Strategy (Information Technology Strategy)]] | ||
+ | *[[IT Governance]] | ||
+ | *[[Enterprise Architecture]] | ||
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+ | *[[IT Sourcing (Information Technology Sourcing)]] | ||
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Latest revision as of 15:37, 8 March 2024
What is Expected Value?
Expected value is a statistical concept that represents the average outcome of a probability distribution. It is calculated by multiplying the value of each possible outcome by its probability and then summing the results.
For example, suppose you have a bag with three marbles: one red, one blue, and one green. The probability of drawing a red marble is 1/3, the probability of drawing a blue marble is 1/3, and the probability of drawing a green marble is 1/3. If the value of a red marble is $5, the value of a blue marble is $10, and the value of a green marble is $20, the expected value of the bag would be calculated as follows:
Expected value = (1/3 x $5) + (1/3 x $10) + (1/3 x $20) = $10
In this example, the expected value represents the average amount of money you can expect to get if you draw a marble from the bag multiple times. It does not mean that you will always get exactly $10 – you may get more or less depending on the actual outcome – but over time, the average value of your draws will tend towards the expected value.
Expected value is a useful concept for understanding and analyzing probability distributions, and can be used in a variety of contexts, such as decision-making, risk assessment, and financial modeling.
See Also
- IT Strategy (Information Technology Strategy)
- IT Governance
- Enterprise Architecture
- Chief Information Officer (CIO)
- IT Sourcing (Information Technology Sourcing)
- IT Operations (Information Technology Operations)
- E-Strategy