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 theoretical probability?

Back

Theoretical probability is the likelihood of an event happening based on all possible outcomes, calculated as the number of favorable outcomes divided by the total number of outcomes.

Front

How do you calculate the probability of an event?

Back

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

Front

What is a sample space?

Back

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

Front

If a bag contains 3 red marbles, 2 blue marbles, and 4 green marbles, what is the total number of marbles?

Back

Total marbles = 3 (red) + 2 (blue) + 4 (green) = 9 marbles.

Front

What is the probability of drawing a blue marble from a bag with 3 red, 2 blue, and 4 green marbles?

Back

Probability of blue = 2 (blue) / 9 (total) = 2/9.

Front

What is the probability of pulling a red marble from a bag with 3 red, 2 blue, 4 green, and 1 yellow marble?

Back

Probability of red = 3 (red) / 10 (total) = 3/10.

Front

How many different combinations can be made with 7 types of meat and 2 types of cheese?

Back

Combinations = 7 (meat) * 2 (cheese) = 14 different omelets.

Front

What is the least likely color to be picked from a bag containing red, green, and light blue marbles?

Back

Light Blue is the least likely color to be picked.

Front

What is the probability of choosing a blue pen from a collection of 3 red, 5 pink, and 8 blue pens?

Back

Probability of blue = 8 (blue) / 16 (total) = 1/2.