Basic Probability Flashcard

Front

What is probability?

Back

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

Front

What is the probability of picking a single-digit number from 1 to 20?

Back

9/20

Front

What is the probability of rolling an odd number on a single die?

Back

1/2 or 3/6

Front

What is the probability of landing on a number less than 3 when spinning a spinner numbered 1-8?

Back

1/4 or 2/8

Front

What is the probability of picking an even number from 1 to 20?

Back

1/2 or 10/20

Front

How do you calculate the probability of an event?

Back

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

Front

If a die is thrown 350 times and the score of 6 is obtained 28 times, what is the probability of getting a score of 6?

Back

0.08 or 28/350

Front

What is a favorable outcome in probability?

Back

A favorable outcome is an outcome that is considered successful for the event being measured.

Front

What does it mean if the probability of an event is 0?

Back

It means that the event is impossible and will not occur.

Front

What does it mean if the probability of an event is 1?

Back

It means that the event is certain to occur.