## Formula generator for LOGNORM.INV FUNCTION function

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# How to generate an LOGNORM.INV FUNCTION formula using AI.

To obtain information on the ARRAY_CONSTRAIN formula, you could ask the AI chatbot the following question: “To get the LOGNORM.INV formula for your data, you can ask the AI chatbot the following question: "What is the Excel formula to calculate the inverse of the logarithmic normal distribution for a given set of data?" ”

## LOGNORM.INV FUNCTION formula syntax

The LOGNORM.INV function in Excel is used to calculate the inverse of the cumulative distribution function (CDF) of a log-normal distribution. The syntax for LOGNORM.INV is as follows: LOGNORM.INV(probability, mean, standard_dev) - Probability: This is the probability value at which you want to evaluate the inverse CDF. It must be between 0 and 1. - Mean: This is the mean of the log-normal distribution. - Standard_dev: This is the standard deviation of the log-normal distribution. The LOGNORM.INV function returns the value from the log-normal distribution that corresponds to the specified probability.

## Use Cases & Examples

In these use cases, we use the LOGNORM.INV function to calculate the inverse of the cumulative distribution function for a specified log-normal distribution.

## Calculate the inverse of a log-normal distribution

### Description

In this use case, we use the LOGNORM.INV function to calculate the inverse of a log-normal distribution. The function takes three arguments: x, the value at which to evaluate the inverse of the distribution; mean, the mean of the logarithm of the distribution; and standard_deviation, the standard deviation of the logarithm of the distribution.

### Result

LOGNORM.INV(x, mean, standard_deviation)

## Estimate the probability of a log-normal distribution

### Description

In this use case, we use the LOGNORM.INV function to estimate the probability of a log-normal distribution. The function takes three arguments: x, the value at which to evaluate the probability; mean, the mean of the logarithm of the distribution; and standard_deviation, the standard deviation of the logarithm of the distribution.

### Result

LOGNORM.INV(x, mean, standard_deviation)

## Calculate the confidence interval of a log-normal distribution

### Description

In this use case, we use the LOGNORM.INV function to calculate the confidence interval of a log-normal distribution. The function takes three arguments: x, the value at which to evaluate the confidence interval; mean, the mean of the logarithm of the distribution; and standard_deviation, the standard deviation of the logarithm of the distribution.

### Result

LOGNORM.INV(x, mean, standard_deviation)

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