Answer:
one specific execution of an experiment
Step-by-step explanation: An event in probability is simply an occurrence or an experiment performed to produce a required outcome.
For example, tossing a coin is an event with it outcome head or tail.
Rolling a die is an event with the outcome 1, 2, 3, 4, 5, 6.
Answering this question is an event with it outcome me either right or wrong.