Probability Practice

Front

What is probability?

Back

Probability is a measure of how likely an event is to occur, expressed as a number between 0 and 1.

Front

What is an even number?

Back

An even number is an integer that is exactly divisible by 2.

Front

What is the probability of spinning an even number on a spinner with numbers 1 to 6?

Back

3/6 or 1/2, since the even numbers are 2, 4, and 6.

Front

How do you calculate the probability of an event?

Back

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

Front

What is the probability of selecting a cherry piece of candy from a bowl with 3 cherry and 9 other candies?

Back

3/12 or 1/4.

Front

What is the probability of rolling an even number on a die numbered 1-6?

Back

3/6 or 1/2, since the even numbers are 2, 4, and 6.

Front

If you select a marble without looking, what is the probability that it will be blue if there are 2 blue marbles out of 6 total?

Back

2/6 or 1/3.

Front

What are the vowels in the word MATHROCKS?

Back

The vowels are A and O.

Front

What is the probability of choosing a vowel from the letters in MATHROCKS?

Back

2/9, since there are 2 vowels out of 9 letters.

Front

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

Back

It means the event is impossible and will not occur.