Probability Review

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 formula for calculating probability?

Back

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

Front

If a box contains 6 lipsticks, 4 eye shadows, 6 eye liners, and 5 mascaras, how many total items are there?

Back

Total items = 6 + 4 + 6 + 5 = 21.

Front

What is the probability of selecting a lipstick from the box?

Back

Probability = 6/21 = 2/7.

Front

What is the probability of rolling a number greater than 1 on a single die?

Back

Probability = 5/6.

Front

What is the probability of spinning either green or blue?

Back

Probability = 1/2.

Front

How many shirt sizes are available in the store?

Back

There are 3 sizes: small, medium, and large.

Front

How many colors of shirts are available in the store?

Back

There are 4 colors: red, blue, green, and white.

Front

What is the probability of selecting a large green shirt?

Back

Probability = 1/12.

Front

What is the probability of spinning green?

Back

Probability = 1/4.