Answer:
Probability .
Step-by-step explanation:
Probability is the uncertainity of occuring or happening of something .
Probability A branch of mathematics that measures uncertainity of events using numbers
Additional Points To Look At In Probability :
- An operation which can produce well defined outcome is called experimental approach .
- Performing an experiment is called a Trial .
- If a coin is tossed 10 times then each toss is a Trial .
- If two coins are tossed samultaneously and its repeated 20 times, each samueltaneous toss of two coins is a trial .