cumulative probability
nounUK /ˈkjuːmjʊlətɪv ˌprɒbəˈbɪlɪti/
US /ˈkjuːmjəleɪtɪv ˌprɑːbəˈbɪləti/
It is the total chance of getting a result that is the same as or smaller than a certain number.
The cumulative probability of rolling a three or less on a die is one half.
RELATED WORDS
OTHER MEANINGS
2. In statistics, the value of a cumulative distribution function at a given point.
The cumulative probability at x equals 2 was 0.75.
3. The sum of probabilities for all outcomes up to and including a chosen outcome.
Adding the chances of each score gave the cumulative probability.
4. A running total of chance used to compare results across a range.
The chart showed cumulative probability rising steadily from left to right.