Theoretical Simple Probability

The theoretical probability of rolling an even number on a dice.

• 30%

• 1/2

• 1/6

• 5/6

What is the probability of spinning green?

Choose the fraction in simplest form

• 0
• 1/4
• 1/2
• 3/4

A bag has 4 green marbles, 3 red, 2 blue and 1 yellow. What is the theoretical probability of pulling a red?

• 3/10

• 3/6

• 1/9

• 1/3

What is the probability of spinning an even number?

• 30%

• 33%

• 50%

• 67%

What is the probability of spinning a 2 on the spinner?

• 1/2

• 1/3

• 1/8

• 1/4

You spin the spinner 1 time.

What is P(7)?

• 1/3

• 2/5

• 3/4

• 1/4

Use the spinner to determine the theoretical probability of the event.

Spinning a 7

Use the spinner to determine the theoretical probability of the event.

Spinning a number less than 3

You have a jar with the following marbles: 4 blue, 8 red, 2 green

You randomly choose one marble from the jar. Find the theoretical probability of choosing one red marble. Choose simplest form

If an event is absolutely impossible, what percent probability will it have?

• 0%

• 25%

• 75%

• 100%