# PROB Function

The PROB function is one of the statistical functions. It is used to return the probability that values in a range are between lower and upper limits.

The PROB function syntax is:

PROB(x-range, probability-range, lower-limit[, upper-limit])

where

x-range is the selected range of cells containing numeric values you want to associate the probabilities with.

probability-range is a set of probabilities associated with values in x-range, the selected range of cells containing numeric values greater than 0 but less than 1. The sum of the values in probability-range should be equal to 1, otherwise the function will return the #NUM! error.

Note: x-range should contain the same number of elements as probability-range.

lower-limit is the lower bound of the value, a numeric value entered manually or included into the cell you make reference to.

upper-limit is the upper bound of the value, a numeric value entered manually or included into the cell you make reference to. It is an optional argument. If it is omitted, the function will return the probability equal to lower-limit.

To apply the PROB function,

1. select the cell where you wish to display the result,
2. click the Insert function icon situated at the top toolbar,
   or right-click within a selected cell and select the Insert Function option from the menu,
   or click the icon situated at the formula bar,
3. select the Statistical function group from the list,
4. click the PROB function,
5. enter the required arguments separating them by commas,
6. press the Enter button.

The result will be displayed in the selected cell.