# Log-normal distribution

It calculates the probability density function (PDF) and cumulative distribution function (CDF) of long-normal distribution by a given mean and variance.

*Lognormal distribution* is a continuous probability distribution of a random variable whose logarithm is normally distributed.

Probability density function (PDF) of the log-normal distribution formula:

Digits after the decimal point: 5

Probability density function value

Cumulative distribution function value

PDF Graph

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CDF Graph

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Cumulative density function (CDF) of the lognormal distribution formula:

To calculate log-normal distribution quantiles you can use the following calculator:

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