Simple Probability

Front

What is the definition of probability?

Back

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

Front

What is the formula to calculate the probability of an event?

Back

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

Front

If a bag contains 10 M&Ms, what is the probability of selecting one M&M at random?

Back

1 (or 100%) since you will always select one M&M.)

Front

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

Back

1 (or 100%)

Front

What is the probability of an event that is impossible?

Back

0 (or 0%)

Front

In a bag of 10 M&Ms (4 red, 2 blue, 1 green, 3 brown), what is the probability of pulling out a red candy?

Back

2/5

Front

In a bag of 10 M&Ms (4 red, 2 blue, 1 green, 3 brown), what is the probability of pulling out a blue candy?

Back

1/5

Front

What does it mean if the probability of an event is 0.5?

Back

It means there is an equal chance of the event occurring or not occurring.

Front

If you flip a fair coin, what is the probability of getting heads?

Back

1/2

Front

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

Back

1/6