PROB in WPS on Windows FAQ

Last updated:July 17, 2026

When using the PROB function, the most common questions fall into 3 areas: input errors, syntax guidance, and unexpected results.

FAQ

What should I do if the PROB function returns an error?

  1. Check whether the formula starts with =.
  2. Check whether the parentheses are complete and the separators are correct.
  3. Confirm that the value range and probability range match and that the data types are valid.

How can I view the argument guidance for the PROB function?

  1. Type =PROB( in a cell or in the formula bar.
  2. Review the syntax guidance that appears automatically.
  3. Enter the arguments in the displayed order and complete the formula.

Why does the PROB result look incorrect?

  1. Check whether referenced cells contain text-formatted numbers.
  2. Check for circular references or incorrect lower and upper limits.
  3. After editing the data, confirm the formula again and recalculate if needed.

Glossary

TermDefinition
PROBA probability function used to calculate the probability of a value or a range in a given distribution.
x_rangeThe range of values used in the probability calculation.
prob_rangeThe range of probabilities matched to the values in x_range.
lower_limitThe lower bound used in the probability calculation.
upper_limitThe upper bound used in the probability calculation; when omitted, the calculation usually returns the probability equal to the lower limit.