A is an event with a single outcome. For example, rolling a "4" on a die is a simple event. Rolling an "even number" is a compound event (because it includes 2, 4, and 6). The Formula:
Problem 4: What is the probability of rolling a 7? A is an event with a single outcome
Keep practicing, and soon probability will feel less like chance and more like certainty. A is an event with a single outcome