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 when choosing one item from multiple categories?

Back

Multiply the number of choices in each category. For example, if there are 3 greens, 4 meats, and 5 dressings, the total combinations are 3 x 4 x 5 = 60.

Front

What is a tree diagram?

Back

A tree diagram is a visual representation that shows all possible outcomes of an event, helping to organize choices and combinations.

Front

If you flip a coin and roll a die, how do you find the total number of outcomes?

Back

Multiply the number of outcomes for each event. A coin has 2 outcomes (heads or tails) and a die has 6 outcomes, so 2 x 6 = 12 outcomes.

Front

What is a combination?

Back

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

Front

What is the difference between combinations and permutations?

Back

In combinations, the order of selection does not matter, while in permutations, the order does matter.

Front

How many different outfits can you create with 3 shirts and 4 pairs of shorts?

Back

Multiply the number of shirts by the number of shorts: 3 x 4 = 12 different outfits.

Front

What is an event in probability?

Back

An event is a specific outcome or a set of outcomes of a random experiment.

Front

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

Back

It means the event is impossible and will not occur.

Front

What does it mean if an event has a probability of 1?

Back

It means the event is certain to occur.