Simple Complement Probability

The chart below represents the number of marbles in a jar.
P(green) = 

• 5/19

• 10/28

• 5/14

• F

• G

• H

• J

• 1/4, because the probability of renting a drama is 3/4.

• 3/4, because the probability of renting a drama is 1/4.

• 4/5, because the probability of renting a drama is 1/5.

• 1/5, because the probability of renting a drama is 4/5.

How likely are you to NOT roll a 1 on a regular die? (Complement)

• P' = 2/6

• P' = 3/6

• P' = 5/6

• P' = 1/6

What is a Complement in probability?

• Saying-- You look very nice today.

• Probability of an event happening

• Probability of an event NOT happening

• Not here

What is the complement of choosing a red marble if there are 8 red marbles in a jar of 15?

• P' = 3/15

• P' = 7/15

• P' = 8/15

• P' = 15/8

How likely are you to roll a 1 on a regular die?

• P = 2/6

• P = 3/6

• P = 5/6

• P = 1/6

Billy Bob is rolling a number cube with the numbers 1-6. What is the probability that she will roll a 4 or a 5?

• ¹/2

• ¹/3

• ¹/6

• ¹/4

The cards shown above are picked up, shuffled, and placed facedown in a stack. What is the probability that the top card in the stack does NOT have an odd number on it?

• 1/3

• 1/2

• 4/9

• 5/9

Jade put 3 green tiles, 7 red tiles, and 11 orange tiles in a box. If she closes her eyes and picks a tile, what is the probability that the tile will NOT be green?

• 1/7

• 1/3

• 11/21

• 6/7