Probability Review

In the bag, there is 1 green marble, 4 blue marbles, 2 yellow marbles, 3 red marbles, and 4 purple marbles.

If the event is selecting a purple marble, how many favorable outcomes are there?

What are the possible outcomes when rolling this six-sided die?

• 4,5,6

• 1,2,3,4,5,6

• 6

• 3

What is the probability of rolling a number greater than 3 on this cubic die?

• 4,5,6

• three

• 1,2,3

• half

In a game, a friend asks you to choose a number between 1 and 5 to decide who goes first. What are the possible outcomes?

• 1

• 1,2,3,4,5

• 5

In the game, a friend asks you to choose a number between 1 and 9 to decide who goes first. What is the favorable outcome of choosing an even number?

• 4

• 1,3,5,7

• 2,4,6,8

• 9

A die is rolled. What is the probability of getting a number less than 5?

• 1,2,3

• 1,2,3,4

• 5,6,7

• 5,6

A small pack of Skittles contains 1 yellow, 3 red, 2 green, 3 orange. What are the possible outcomes?

• Yellow, red, green, orange

• Red, red, red

• Yellow, red, red, red, green, green, orange, orange, orange

• Green

In a bag, there are 4 red marbles, 3 blue marbles, 3 yellow marbles, and 2 green marbles. A red marble is randomly selected from the bag. What is the favorable outcome?

• Red

• Red, Blue, Yellow, Green

• 4

• Red, Red, Red, Red

In a bag, there are 4 red marbles, 3 blue marbles, 3 yellow marbles, and 2 green marbles. A green marble is randomly drawn from the bag. What is the favorable outcome?

• 2

• green, green

• red, blue, yellow, green

• 12

In a bag, there are 4 blue marbles, 5 red marbles, 1 green marble, and 2 black marbles. What is the probability that when selecting a marble at random, it is blue?

• 1/2

• 2/3

• 1/4

• 1/3