Chapter12probability

What is a tree diagram?
A tree diagram can be a helpful way of organizing outcomes to identify probability.

What is the fundamental counting principal?
A method used to calculate all of the possible combinations of a given number of events.

How do you determine the number of possible outcomes or an event?
P(A)= the number of ways event A can occur -- the total numbers of possible outcomes

What is probability?
is how likely an event is.