Theoretical Probability

Which color is the spinner least likely to land on?

• red

• yellow

• blue

• green

Which color is the spinner most likely to land on?

• blue

• yellow

• green

• red

Which color is the spinner equally likely to land on?

• green and yellow

• red and blue

• yellow and red

• blue and green

There are 13 girls and 17 boys in a grade 6 classroom. The teacher puts each student's name into a hat, then draws one name. What is the theoretical probability that the first name will be a girl's name?

Write your answer as a fraction in lowest terms - a/b

• 13/30

• 12/15

• 14/20

• 14/30

These counters are in a hat. You choose one. What is the theoretical probability that you don't pick yellow?

Write your answer as a fraction in lowest terms - a/b

• 3/5

• 6/10

• 4/5

• 6/7

These counters are in a hat. You choose one. What is the theoretical probability that you pick blue?

Write your answer as a fraction in lowest terms - a/b

• 1/5

• 2/10

• 3/20

• 4/20

Which of the following would show a theoretical probability of 1/8

• red

• blue

• green

• yellow

You roll a 6 sided die. What is the theoretical probability that you get an even number?

Write your answer as a fraction in lowest terms - a/b

• 1/2

• 2/6

• 3/6

• 5/6

A 6 sided die is rolled. What is the sample space?

• 1,2,3,4,5,6

• 2,4,6

• 1,3,5

• 7,8,9,10,11,12

This table shows the number of birthdays in each month for grade 6 with 30 students.

A student is picked at random.

What is the theoretical probability that the student has a birthday in June, July, or August?

Write your answer as a fraction in lowest terms - a/b

• 4/15

• 8/30

• 6/30

• 2/15