Probability

Front

What is Probability?

Back

Probability is the measure of the likelihood that an event will occur. It is expressed as a number between 0 and 1, where 0 means the event will not happen and 1 means it will definitely happen.

Front

What is a Tree Diagram?

Back

A tree diagram is a visual representation that shows all the possible outcomes of an event. It branches out to display each choice and its possible outcomes.

Front

How do you calculate the total number of combinations?

Back

To find the total number of combinations, multiply the number of choices for each category. For example, if there are 3 shirts and 2 pants, the total combinations are 3 x 2 = 6.

Front

What is an Outcome in Probability?

Back

An outcome is a possible result of a probability experiment. For example, rolling a die can result in any number from 1 to 6.

Front

What is a Sample Space?

Back

The sample space is the set of all possible outcomes of a probability experiment. For example, the sample space for flipping a coin is {Heads, Tails}.

Front

If Jacob has 2 drink choices and 3 food choices, how many snack combinations can he make?

Back

Jacob can make 2 x 3 = 6 different snack combinations.

Front

What is the formula for calculating combinations?

Back

The formula for calculating combinations is: Total Combinations = (Number of choices for first item) x (Number of choices for second item) x ...

Front

What is the difference between independent and dependent events?

Back

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

Front

How many outcomes are there when flipping a coin and rolling a die?

Back

There are 2 outcomes from flipping a coin (Heads, Tails) and 6 outcomes from rolling a die, resulting in 2 x 6 = 12 total outcomes.

Front

What is a Combination?

Back

A combination is a selection of items where the order does not matter. For example, choosing 2 fruits from a basket of 5 is a combination.