- Excel Functions - Home
- Compatibility Functions
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- SWITCH Function
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- FINDB Function
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- LEFT Function
- LEFTB Function
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- RIGHTB Function
- SEARCH Function
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- SUBSTITUTE Function
- T Function
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- Date & Time Functions
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- DAY Function
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- EOMONTH Function
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- MONTH Function
- NETWORKDAYS Function
- NETWORKDAYS.INTL Function
- NOW Function
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- WEEKDAY Function
- WEEKNUM Function
- WORKDAY Function
- WORKDAY.INTL Function
- YEAR Function
- YEARFRAC Function
- Cube Functions
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- CUBEKPIMEMBER Function
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- CUBESET Function
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- Math Functions
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- CEILING.MATH Function
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- MOD Function
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- OCT2DEC Function
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- Financial Functions
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- ACCRINTM Function
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- AMORLINC Function
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- COUPNCD Function
- COUPNUM Function
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- DB Function
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- MDURATION Function
- MIRR Function
- NOMINAL Function
- NPER Function
- NPV Function
- ODDFPRICE Function
- ODDFYIELD Function
- ODDLPRICE Function
- ODDLYIELD Function
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- AREAS Function
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- HLOOKUP Function
- HYPERLINK Function
- INDEX Function
- INDIRECT Function
- LOOKUP Function
- MATCH Function
- OFFSET Function
- ROW Function
- ROWS Function
- RTD Function
- TRANSPOSE Function
- VLOOKUP Function
- Statistical Functions
- Statistical Functions
- AVEDEV Function
- AVERAGE Function
- AVERAGEA Function
- AVERAGEIF Function
- AVERAGEIFS Function
- BETA.DIST Function
- BETA.INV Function
- BINOM.DIST Function
- BINOM.DIST.RANGE Function
- BINOM.INV Function
- CHISQ.DIST Function
- CHISQ.DIST.RT Function
- CHISQ.INV Function
- CHISQ.INV.RT Function
- CHISQ.TEST Function
- CONFIDENCE.NORM Function
- CONFIDENCE.T Function
- CORREL Function
- COUNT Function
- COUNTA Function
- COUNTBLANK Function
- COUNTIF Function
- COUNTIFS Function
- COVARIANCE.P Function
- COVARIANCE.S Function
- DEVSQ Function
- EXPON.DIST Function
- F.DIST Function
- F.DIST.RT Function
- F.INV Function
- F.INV.RT Function
- F.TEST Function
- FISHER Function
- FISHERINV Function
- FORECAST Function
- FORECAST.ETS Function
- FORECAST.ETS.CONFINT Function
- FORECAST.ETS.SEASONALITY Function
- FORECAST.ETS.STAT Function
- FORECAST.LINEAR Function
- FREQUENCY Function
- GAMMA Function
- GAMMA.DIST Function
- GAMMA.INV Function
- GAMMALN Function
- GAMMALN.PRECISE Function
- GAUSS Function
- GEOMEAN
- GROWTH
- HARMEAN
- HYPGEOM.DIST
- INTERCEPT Function
- KURT Function
- LARGE Function
- LINEST Function
- LOGEST Function
- LOGNORM.DIST Function
- LOGNORM.INV Function
- MAX Function
- MAXA Function
- MAXIFS Function
- MEDIAN Function
- MIN Function
- MINA Function
- MINIFS Function
- MODE.MULT Function
- MODE.SNGL Function
- NEGBINOM.DIST Function
- NORM.DIST Function
- NORM.INV Function
- NORM.S.DIST Function
- NORM.S.INV Function
- PEARSON Function
- PERCENTILE.EXC
- PERCENTILE.INC
- PERCENTRANK.EXC
- PERCENTRANK.INC
- PERMUT
- PERMUTATIONA
- PHI
- POISSON.DIST
- PROB
- QUARTILE.EXC
- QUARTILE.INC
- RANK.AVG
- RANK.EQ
- RSQ
- SKEW
- SKEW.P
- SLOPE
- SMALL
- STANDARDIZE
- STDEV.P
- STDEV.S
- STDEVA
- STDEVPA
- STEYX
- T.DIST
- T.DIST.2T
- T.DIST.RT
- T.INV
- T.INV.2T
- T.TEST
- TREND
- TRIMMEAN Function
- VAR.P Function
- VAR.S Function
- VARA Function
- VARPA Function
- WEIBULL.DIST Function
- Z.TEST Function
- Web Functions
- Web Functions
- ENCODEURL Function
- FILTERXML Function
- WEBSERVICE Function
Excel - BETAINV Function
BETAINV Function
The BETAINV function generates the inverse of the cumulative beta probability density function for an individual beta distribution. It uses an iterative technique to reach an accurate result for the given probability. An error could occur if the BETINV function fails to conclude after 100 iterations.
The BETAINV function interchanges the BETA.INV function from Excel 2010.
Compatibility
This advanced Excel function is compatible with the following versions of MS-Excel −
- Excel for Microsoft 365
- Excel for Microsoft 365 for Mac
- Excel for the web
- Excel 2021
- Excel 2021 for Mac
- Excel 2019
- Excel 2019 for Mac
- Excel 2016
Syntax
The syntax of BETAINV function is as follows −
BETAINV (probability,alpha,beta,[A],[B])
Arguments
You can use the following arguments with the BETAINV function −
| Argument | Description | Required / Optional |
|---|---|---|
| Probability | A probability interlinked with the BETDIST function. | Required |
| Alpha | A distribution parameter. | Required |
| Beta | Another distribution parameter. | Required |
| A | An interval of x's lower bound. | Optional |
| B | An interval of x's upper bound | Optional |
Points to Remember
- BETAINV returns the #VALUE! error value if any of the defined arguments are non-numeric.
- Either Beta or Alpha is less than equal to zero, BETAINV retrieves the #NUM! error value.
- Use the BETAINV function and Pert Distribution to identify the project completion time.
- If the p > 1 or p 0, BETAINV retrieves the error named #NUM!.
- Skipping A and B parameters, BETAINV employs the standard cumulative beta distribution. In this scenario, zero value is to be taken by the A parameter and one value will take place for the B parameter.
- If A equals B parameter then the BETAINV function retrieves the error named #NUM!.
Examples of BETAINV Function
Practice the following examples to learn the use of the BETAINV function in Excel.
Example 1
Calculate the BETAINV function for the given probability
Solution
Consider the sample dataset where Alpha, Beta, A, B, and x parametric values are specified in the cell range C3:C6. You may enter the formula =BETAINV(C2,C3,C4,C5,C6) in the C7 cell and press the Enter tab.
Therefore, the resulting value is 8.00074281.
Example 2
Use the BETAINV function and Pert Distribution to identify the project completion time.
Solution
Step 1 − Consider the sample dataset where Lt stands for the least time required for specific project completion, MAT denotes the maximum period to finish the project and the best estimate specifies the most significant time for completion.
Step 2 − You may enter the formula =(B2+4*B3+B4)/6 in the B5 cell and press Enter to get the mean.
Note − The PERT distribution best evaluation technique employed to evaluate mean and standard deviation.
Step 3 − Enter the formula = (B4-B2)/6 in the B6 cell and press Enter to compute the standard deviation.
Step 4 − You may enter the formula "=4*(B3-B2)/(B4-B2)+1" in the B7 cell.
Step 5 − You can calculate the Beta parameter by using the formula "=4*((B4-B3)/(B4-B2))+1" which is entered in the B8 cell to get its computed value.
Step 6 − Lets suppose that the probability of project completion is 0.8. Enter the formula =BETAINV(0.8, B7, B8) in the B9 cell and press the Enter tab.
Example 3
Either Beta or Alpha is less than equal to zero, BETAINV retrieves the #NUM! error value.
Solution
You may enter the formula "=BETAINV(.34, -1,-2)" in the C2 cell and press the Enter tab. Therefore, the BETAINV function will create the error value #NUM! as the alpha and beta parameters value is less than 0.
Example 4
If the p > 1 or p 0, BETAINV retrieves the error named #NUM!
Solution
You may enter the expression "=BETAINV(-2, 4,2)" in the C3 cell and press the Enter tab.
Note − The probability of any outcome cannot be negative.
Example 5
BETAINV returns the #VALUE! error value if any of the defined arguments are non-numeric.
Solution
Write the expression "=BETAINV(0.7, "at",3,0)" in the C4 cell and press the Enter tab. Hence, the #VALUE! error arises once you execute this expression.
Note − Ensure that all the parameters inside the BETINV must be numeric otherwise the function returns #VALUE! error.
Example 6
Skipping A and B parameters, BETAINV employs the standard cumulative beta distribution. In this scenario, by default, the parameter B becomes 1 and A becomes 0.
Solution
You may enter the formula "=BETAINV(C3,C4,C5)" in the C8 cell. In this function, A and B parameters cell references are not used.
Therefore, the resulting value is shown in the above image.
Example 7
If A equals B parameter then the BETAINV function retrieves the error named #NUM!.
Solution
You may enter the expression "=BETAINV(C3,C4,C5,C6,C7)" in the C8 cell and press the Enter tab. As you can see in the screenshot, the A and B cell references contain the same value.
