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What is value at risk?
Value at Risk is a risk measure used by financial analysists. It describes your potential loss at a given confidence level. Specifically, at a 99% confidence level, your value at risk is your minimum expected loss over 1% of the trading days. See the related link for a detailed discussion, and an Excel spreadsheet to calculate Value at Risk
How do i find expected value in a martingale system?
The expected value of a Martingale system is the last observed value.
Difference between mean and expected value?
For a population the mean and the expected value are just two names for the same thing. For a sample the mean is the same as the average and no expected value exists.
What is the expected value of the sum of the number that appears when a pair of fair dice is rolled?
The expected value is 7.
The expected value is what kind of aspect of how probability distribution is characterized?
Expected value is the outcome of confidence of how probability distribution is characterized. If the expected value is greater than the confidence interval then the results are significant.
