Probabaility

Front

What is a tree diagram?

Back

A visual representation used to show all possible outcomes of a probability experiment.

Front

What does the Fundamental Counting Principle state?

Back

If one event can occur in 'm' ways and a second event can occur independently in 'n' ways, then the two events can occur in m × n ways.

Front

What is the probability of an event that is certain to happen?

Back

1 (or 100%)

Front

What is the probability of an event that is impossible?

Back

0 (or 0%)

Front

Define independent events in probability.

Back

Events are independent if the occurrence of one does not affect the occurrence of the other.

Front

Define dependent events in probability.

Back

Events are dependent if the occurrence of one event affects the occurrence of the other.

Front

How do you calculate the total number of outcomes in a probability experiment?

Back

By using a tree diagram or the Fundamental Counting Principle.

Front

What is the probability of choosing a black marble if there are 3 black marbles and 7 white marbles?

Back

3/10 or 0.3 (30%)

Front

If you have 3 shirts, 2 pairs of pants, and 2 pairs of shoes, how many outfit combinations can you create?

Back

12 outfits (3 × 2 × 2 = 12).

Front

What is the probability of spinning red if there are 4 sections: 1 red, 1 blue, 1 green, and 1 yellow?

Back

1/4 or 0.25 (25%).