Probability Practice

What are the possible outcomes of randomly choosing one of the tiles shown below?

2 5 6 7 8

• 2, 5, 6, 7, 8

• 1/5

• 5

• 1/6

You randomly choose one of the tiles shown below. Find the favorable outcomes of the event.

1 3 4 7 8 9

Choosing an even number

• 4, 8

• 1/3

• 2

• 2/6

You randomly choose one of the tiles shown below. Find the favorable outcomes of the event.

1 3 4 7 8 9

Choosing an even number less than 8

• 4

• 1/6

• 4/6

• 2/3

A bag contains 5 blue marbles, 2 green marbles, 4 purple marbles, 3 red marbles, and 2 yellow marbles. You randomly choose one marble from the bag.

Find the number of ways the event can occur.

Choosing blue

• 5 ways

• 5/16

• blue, blue, blue, blue, blue

• 1 way

A bag contains 5 blue marbles, 2 green marbles, 4 purple marbles, 3 red marbles, and 2 yellow marbles. You randomly choose one marble from the bag.

Find the favorable outcomes of the event.

Choosing blue

• blue, blue, blue, blue, blue

• blue

• 1

• 5/16

A bag contains 5 blue marbles, 2 green marbles, 4 purple marbles, 3 red marbles, and 2 yellow marbles. You randomly choose one marble from the bag.

Find the number of ways the event can occur.

Choosing not purple

• blue, blue, blue, blue, blue, green, green, red, red, red, yellow, yellow

• blue, green, red, yellow

• 12

• 4

A bag contains 5 blue marbles, 2 green marbles, 4 purple marbles, 3 red marbles, and 2 yellow marbles. You randomly choose one marble from the bag.

Find the favorable outcomes of the event.

Choosing not purple

• blue, blue, blue, blue, blue, green, green, red, red, red, yellow, yellow

• blue, green, red, yellow

• 12

• 4