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 a vowel?

Back

A vowel is a letter in the alphabet that represents a speech sound made with the vocal tract open, such as A, E, I, O, U.

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 choosing a vowel from the word MATHROCKS?

Back

2/9, because there are 2 vowels (A, O) out of 9 letters.

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, because there are 3 even numbers (2, 4, 6) out of 6 total numbers.

Front

What colors of M & M candies are in the bowl?

Back

4 yellow, 6 orange, 3 green, 5 blue, 2 brown.

Front

What is the probability of picking a yellow or green M & M?

Back

7/20, because there are 4 yellow and 3 green candies out of 20 total.

Front

What is the probability of selecting a brown candy from the M & M bowl?

Back

1/10, because there are 2 brown candies out of 20 total.

Front

What is the probability of picking a blue or red flower seed?

Back

5/10, because there are 5 blue or red seeds out of 10 total.