Complimentary Events

What is the complement of drawing a red marble written as a decimal?

• 0.5

• 6/12

• 50.0

• 0.6

What's the probability of the complement of drawing a blue card, written as a percent?

• 33.33%

• 30%

• 50%

• 66.67%

The complement of rolling a 3 is:

• Rolling an odd number

• Not rolling a 3

• Rolling an even number

What's the complement of drawing a blue marble?

• 1/3

• 2/3

• 1/2

• 1/4

What's the probability of the complement of drawing a blue card?

• 1/6

• 1/4

• 2/3

• 1/3

The chance of rolling a 2 is 1/6. What is the chance of not rolling a 2?

• 2/6

• 1/6

• 5/6

• Not possible

The chance of winning a basketball game is 40%. What is the chance of not winning?

• 50%

• 60%

• 40%

• 100%

What is the complement of drawing a red marble?

• 1/2

• 1/3

• 1/4

• 1/6

P(A) + P(A′) = 1

• True

• False