Formulas > =BINOMDIST()

# How To Use BINOMDIST() Function in Google Sheets

Description

Calculates the probability of drawing a certain number of successes (or a maximum number of successes) in a certain number of tries given a population of a certain size containing a certain number of successes, with replacement of draws.

Common questions about the BINOMDIST formula:
• How is this formula relevant to probability analysis?
• What is the syntax of the BINOMDIST formula?
• How do I use this formula to calculate the outcome of a binary event?

How can the BINOMDIST formula be used appropriately:
• To calculate the probability of a binary occurrence (for example, the probability of getting a heads on a coin toss)
• To determine the probability of a certain number of successes in a given number of trials
• To calculate the probability of a certain number of successes occurring in a certain time frame

How can the BINOMDIST formula be commonly mistyped:

What are some common ways the BINOMDIST formula is used inappropriately:
• Using the wrong formula (e.g. using NORMDIST instead of BINOMDIST)
• Not entering the correct number of trials
• Using the wrong units of measurement (e.g. using % instead of probability values)

What are some common pitfalls when using the BINOMDIST formula:
• Not specifying the number of trials
• Not entering the correct success rate
• Not paying attention to the order of the parameters (number of successes, number of trials, success rate)
• Using a number of successes greater than the number of trials

What are common mistakes when using the BINOMDIST Formula:
• Not specifying the number of successes or number of trials
• Forgetting to specify the success rate
• Mixing up the order of the parameters (number of successes, number of trials, success rate)
• Providing a fraction instead of a probability value

What are common misconceptions people might have with the BINOMDIST Formula:
• That the BINOMDIST formula can only be used for binary outcomes
• That the BINOMDIST formula can only be used to calculate the probability of a certain number of successes in a certain number of trials
• That the BINOMDIST formula can only be used to calculate the probability of a certain number of successes occurring in a certain time frame.

How To Actually Use BINOMDIST() in Sheets

`BINOMDIST(num_successes, num_trials, prob_success, cumulative)`

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Google Sheets BINOMDIST Binomial Distribution using COMBIN ARRAYFORMULA Data Validation

This video shows the use of ARRAYFORMULA, Data Validation, and COMBIN function to generate the data sets of BINOMDIST in Binomial Probability Mass Function and Binomial Cumulative Distribution Function.

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