Normal Distribution Calculator
Calculate probability, CDF, and percentile for normal distributions. Just enter mean and standard deviation to see the distribution graph.
How to Use
Enter Parameters
Enter the mean and standard deviation
Specify Value
Enter the X value or percentile for probability calculation
Check Results
Check probability density, CDF, and graphs
Features
Graph Display
Display the bell curve with an interactive graph
Cumulative Probability
Accurately calculate cumulative probabilities like P(Xโคx) and P(aโคXโคb)
Inverse Function
Calculate X values from percentiles using the inverse function
FAQ
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