Returns the smallest value for which the cumulative binomial distribution is greater than or equal to a criterion value.
Syntax
BINOM.INV(trials,probability_s,alpha)
The BINOM.INV function syntax has the following arguments (argument: A value that provides information to an action, an event, a method, a property, a function, or a procedure.):
 Trials Required. The number of Bernoulli trials.
 Probability_s Required. The probability of a success on each trial.
 Alpha Required. The criterion value.
Remarks
 If any argument is nonnumeric, BINOM.INV returns the #VALUE! error value.
 If trials is not an integer, it is truncated.
 If trials < 0, BINOM.INV returns the #NUM! error value.
 If probability_s is < 0 or probability_s > 1, BINOM.INV returns the #NUM! error value.
 If alpha < 0 or alpha > 1, BINOM.INV returns the #NUM! error value.
Example
The example may be easier to understand if you copy it to a blank worksheet.
How do I copy an example?
 Select the example in this article. If you are copying the example in Excel Online, copy and paste one cell at a time.
Important: Do not select the row or column headers.
Selecting an example from Help
 Press CTRL+C.
 Create a blank workbook or worksheet.
 In the worksheet, select cell A1, and press CTRL+V. If you are working in Excel Online, repeat copying and pasting for each cell in the example.
Important: For the example to work properly, you must paste it into cell A1 of the worksheet.
 To switch between viewing the results and viewing the formulas that return the results, press CTRL+` (grave accent), or on the Formulas tab, in the Formula Auditing group, click the Show Formulas button.
After you copy the example to a blank worksheet, you can adapt it to suit your needs.

A 
B 
Data 
Description 
6 
Number of Bernoulli trials 
0.5 
Probability of a success on each trial 
0.75 
Criterion value 
Formula 
Description (Result) 
=BINOM.INV(A2,A3,A4) 
Smallest value for which the cumulative binomial distribution is greater than or equal to a criterion value (4) 
