9-8 Probability Flashcard (Accel. Math 7) 2025

Front

What is probability?

Back

Probability is a measure of how likely an event is to occur, expressed as a number between 0 (impossible) and 1 (certain).

Front

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

Back

The probability of an event that is certain to happen is 1.

Front

What is the probability of an impossible event?

Back

The probability of an impossible event is 0.

Front

How do you calculate the probability of a single event?

Back

Probability = (Number of favorable outcomes) / (Total number of outcomes).

Front

If a fruit basket contains 3 bananas, 4 oranges, and 5 apples, what is the total number of fruits?

Back

The total number of fruits is 3 + 4 + 5 = 12.

Front

What is the probability of drawing a banana from a basket of 12 fruits?

Back

Front

How do you find the probability of multiple independent events occurring in sequence?

Back

Multiply the probabilities of each individual event.

Front

What is a tree diagram?

Back

A tree diagram is a visual representation of all possible outcomes of an event, showing the paths that can be taken.

Front

How many outcomes are there when tossing a coin and rolling a die?

Back

There are 12 outcomes (2 outcomes from the coin and 6 outcomes from the die: 2 x 6 = 12).

Front

What does a 0% chance of an event mean?

Back

A 0% chance means the event is impossible.