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#reading-9-probability-concepts

In investment analysis, forecasts are frequently made using expected value, for example, the expected value of earnings per share, dividend per share, rate of return, etc

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**Subject 6. Expected Value, Variance, and Standard Deviation of a Random Variable**

e outcomes will have a greater weighting in the overall calculation. For a random variable X, the expected value of X is denoted E(X). E(X) = P(x 1 ) x 1 + P(x 2 ) x 2 + ... + P(x n ) x n <span>In investment analysis, forecasts are frequently made using expected value, for example, the expected value of earnings per share, dividend per share, rate of return, etc. It represents the central value of all possible outcomes. Example The organizers of an outdoor event know that the success of the event depends on the weather

e outcomes will have a greater weighting in the overall calculation. For a random variable X, the expected value of X is denoted E(X). E(X) = P(x 1 ) x 1 + P(x 2 ) x 2 + ... + P(x n ) x n <span>In investment analysis, forecasts are frequently made using expected value, for example, the expected value of earnings per share, dividend per share, rate of return, etc. It represents the central value of all possible outcomes. Example The organizers of an outdoor event know that the success of the event depends on the weather

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