The BETADIST function is used to calculate the probability distribution according to the Beta distribution, in which the Beta distribution is used to study the variation of samples as a percentage.
Syntax : BETADIST (x, alpha, beta, A, B) .
Inside:
- x : The value between the two values A and B, is the value used to determine the value of the function.
- alpha : A parameter of the distribution, is the required value.
- beta : As a parameter of distribution.
- A : As the lower bound of the range x, the default value is 0.
- B : Is the upper bound of the range x, the default value is 1.
Attention:
- All function arguments must be numbers, otherwise the function returns the #VALUE error value.
- Where alpha ≤ 0 or beta ≤ 0 => the function returns the #NUM! Error value
- If x B or A = B => the function returns the #NUM! Error value
- If omitting 2 parameters A and B, the function will use the normalized cumulative beta distribution with A = 0 and B = 1 .
For example :
Calculate the probability distribution value according to the Beta distribution with the parameters values in the following table:
Step 1: In the cell to calculate enter the formula = BETADIST (C6, C7, C8, C9, C10) .
Step 2 : Press Enter value of BETADIST function to be:
Above is how to use the BETADIST function and some notes when using.
Good luck!
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