Probability Review Grade 7

The video tutorial covers various probability concepts, including events and outcomes, describing probability with specific terms, experimental probability using M&Ms, theoretical probability with marbles, the fundamental counting principle, and compound probability. Each section provides examples and tasks to help students understand and apply these concepts.

How many ways can you choose a girl from a group of 5 girls?

• 5

• 3

• 4

• 6

If there are 2 boys in a group, how many ways can you choose not a girl?

• 4

• 2

• 3

• 1

What is the probability of an event that is described as 'certain'?

• 0%

• 100%

• 25%

• 50%

If you flip a coin, what is the probability of getting heads?

• 50%

• 25%

• 100%

• 0%

What is the experimental probability of drawing a blue M&M if you drew 5 blue M&Ms out of 20 draws?

• 1/5

• 1/2

• 1/3

• 1/4

If you drew 6 brown M&Ms out of 20, what is the experimental probability of drawing a brown M&M?

• 1/5

• 3/10

• 1/2

• 1/4

In a bag of 48 marbles, if the theoretical probability of drawing a blue marble is 1/3, how many blue marbles would you expect?

• 24

• 18

• 16

• 12

Using the fundamental counting principle, how many possible outcomes are there if you have 2 choices for one event, 3 for another, and 4 for the last?

• 30

• 12

• 24

• 18

What is the probability of rolling an even number on a die and flipping tails on a coin?

• 1/2

• 1/3

• 1/4

• 1/6

If you have a bag with 9 green and 7 pink marbles, what is the probability of drawing a pink marble first and then a green marble?

• 1/2

• 3/10

• 7/16

• 21/80