Probability Review

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?

• 5/11

• 5/6

• 1/3

• 5

A bag contains 2 blue marbles, 3 black marbles, and 5 red marbles. Mrs. Grow picks one marble, replaces it, then picks another. What is the probability of them both being blue?
P(blue and blue) 

• 1/25

• 1/5

• 1/20

• 2/5

Probability is the _______ of some event happening.

An even chance is at a

• 55%

• 100%

• 50%

• 25%

What is the probability of drawing a red card from a standard deck of cards?

• 1/52

• 13/52

• 1/2

• 4/52

Calculate the probability of rolling a number greater than 4 on a standard six-sided die.

What type of probability is found by recording experiment outcomes?

• theoretical

• experimental

• guessed

If I pick a blue marble from the bag, keep it, and then take out a green marble... is this event dependent or independent?

• dependent

• independent

What is the probability of spinning red?

• 0

• 1/2

• 3/4

• 1

Find the theoretical probability of NOT landing on yellow if you spin the spinner.

• 1/8

• 7/8

• 1

• 7