Probability Crossword Puzzle

Has a 50/50 chance of happening. Could either be one or another.
Using a diagram formating like a tree to find the total possible outcome.
An event that describes a single outcome.
Has a 100% chance of happening.
A probability based on a reasoning written as a ratio telling what is expected to happen.
Not likely to happen. Only has a 25% chance of happening.
An event that describes two or more outcomes.
Has no order. Not able to predict what is going to happen next.
No way it would happen. Has a 0% chance of happening.
Using a tree diagram or the Fundamental Counting Principle helps find all the outcome.
Has a 75% chance of happening. It would mostly occur.
A probability based on an experiment written as a ratio comparing the number of how much times it occurred to the number of trials.