Probability Review

Front

What is probability?

Back

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

Front

What is an outcome in probability?

Back

An outcome is a possible result of a probability experiment.

Front

What is the total number of outcomes when rolling a standard six-sided die?

Back

6 outcomes: 1, 2, 3, 4, 5, 6.

Front

How do you calculate the probability of an event?

Back

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

Front

What is the probability of flipping a coin and getting heads?

Back

1/2, since there are 2 outcomes: heads or tails.

Front

If a bag contains 10 marbles (3 red, 2 blue, 5 green), what is the probability of drawing a blue marble?

Back

2/10 or 1/5.

Front

What is a sample space?

Back

A sample space is the set of all possible outcomes of a probability experiment.

Front

What is the probability of drawing a lemon from a bag with 3 lemons out of 30 candies?

Back

1/10.

Front

If you spin a spinner divided into 4 equal parts (1 red, 1 blue, 1 green, 1 yellow), what is the probability of landing on red?

Back

1/4.

Front

What does it mean if an event has a probability of 0?

Back

It means the event is impossible and will not occur.