Expected Value Calculator
Calculate expected values (mean) from probability distributions. Ideal for gambling odds and investment decision simulations.
How to Use
Enter Values & Probabilities
Enter each outcome value and its probability
Calculate
Expected value is calculated automatically
View Result
Check expected value and variance
Features
Probability Validation
Auto-check if probabilities sum to 1
Variance & SD
Also calculate variance and standard deviation
Distribution Display
Visualize probability distribution as a graph
FAQ
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