SOL 5.PS.3 - Probability

Front

What is probability?

Back

Probability is the measure of the likelihood that an event will 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 3 sizes of popcorn and 3 toppings, the total combinations are 3 x 3 = 9.

Front

What is a combination in probability?

Back

A combination is a selection of items where the order does not matter.

Front

If a movie theater has 3 types of popcorn and 12 types of candy, how many combinations can be made?

Back

36 combinations (3 popcorn x 12 candy = 36).

Front

What is the formula for finding combinations?

Back

The formula for combinations is C(n, r) = n! / (r!(n - r)!), where n is the total number of items, and r is the number of items to choose.

Front

What does 'independent events' mean in probability?

Back

Independent events are events where the outcome of one event does not affect the outcome of another.

Front

What is the probability of rolling a 3 on a standard die?

Back

The probability is 1/6, since there is one favorable outcome (rolling a 3) out of six possible outcomes.

Front

How many different meal combinations can be made with 2 meat choices, 2 salad choices, and 3 dessert choices?

Back

12 combinations (2 meats x 2 salads x 3 desserts = 12).

Front

What is the difference between 'permutation' and 'combination'?

Back

A permutation is an arrangement of items where order matters, while a combination is a selection where order does not matter.

Front

If there are 4 shirts and 3 pants, how many outfits can be made?

Back

12 outfits (4 shirts x 3 pants = 12).