SOL 5.15 - Probability

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

How do you calculate the total number of combinations?

Back

Multiply the number of choices for each category. For example, if there are 4 meats, 3 veggies, and 3 salads, the total combinations are 4 x 3 x 3 = 36.

Front

What is a sample space?

Back

A sample space is a list of all possible outcomes of an experiment.

Front

If there are 3 shirts and 3 shorts, how many different outfits can be made?

Back

9 outfits (3 shirts x 3 shorts = 9).

Front

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

Back

The probability is 1.

Front

What is the probability of an event that cannot happen?

Back

The probability is 0.

Front

How do you express probability as a fraction?

Back

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

Front

If a bag contains 2 red, 3 blue, and 5 green marbles, what is the probability of picking a blue marble?

Back

The probability is 3/10.

Front

What is a tree diagram?

Back

A tree diagram is a visual representation that shows all possible outcomes of an event.

Front

In the context of probability, what does 'favorable outcomes' mean?

Back

Favorable outcomes are the outcomes that we are interested in or that meet the criteria of the event.