Simple Probability

Front

What is probability?

Back

Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1.

Front

What is the probability of an impossible event?

Back

The probability of an impossible event is 0.

Front

What is the probability of a certain event?

Back

The probability of a certain event is 1.

Front

How do you calculate the probability of an event?

Back

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

Front

If a die has 6 faces, what is the probability of rolling a 3?

Back

1/6

Front

If a box contains 4 red balls and 6 blue balls, what is the probability of picking a red ball?

Back

4/10 or 2/5

Front

What is the probability of rolling a number greater than 4 on a die?

Back

1/3 (rolling a 5 or 6).

Front

What is the probability of drawing a heart from a standard deck of cards?

Back

1/4 (13 hearts out of 52 cards).

Front

What is the probability of NOT rolling a 2 on a single die?

Back

5/6

Front

If you flip a coin, what is the probability of getting heads?

Back

1/2