Simple Probability

Front

What is the definition of Probability?

Back

Probability is the likelihood that an event will occur, expressed as a number between 0 and 1.

Front

If a bag contains 10 M&Ms: 4 red, 2 blue, 1 green, and 3 brown, what is the probability of pulling out a red candy?

Back

The probability of pulling out a red candy is 4/10 or 2/5.

Front

What is the probability of spinning green if the spinner is divided into 4 equal sections: 1 green, 1 red, 1 blue, and 1 yellow?

Back

The probability of spinning green is 1/4.

Front

In a bag with 5 green, 6 yellow, 8 blue, and 7 brown M&Ms, what is the probability of choosing a blue candy?

Back

The probability of choosing a blue candy is 8/26 or 4/13.

Front

If a bag contains 10 M&Ms: 4 red, 2 blue, 1 green, and 3 brown, what is the probability of pulling out a blue candy?

Back

The probability of pulling out a blue candy is 2/10 or 1/5.

Front

What is an Experiment in probability?

Back

An experiment is a procedure that yields one or more outcomes.

Front

What is an Outcome in probability?

Back

An outcome is a possible result of a probability experiment.

Front

What does it mean if an event is Certain?

Back

An event is certain if it has a probability of 1, meaning it will definitely occur.

Front

What is the formula for calculating probability?

Back

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

Front

If a die is rolled, what is the probability of rolling a 3?

Back

The probability of rolling a 3 is 1/6.