Understanding Probability and Complements

What does a probability of 0 indicate?

• Event is certain to happen

• Event is unlikely to happen

• Event is impossible

• Event is equally likely to happen or not

How is the probability of a simple event calculated?

• Total outcomes minus favorable outcomes

• Total outcomes divided by favorable outcomes

• Favorable outcomes multiplied by total outcomes

• Favorable outcomes divided by total outcomes

What does the complement of an event represent?

• The number of favorable outcomes for the event

• The probability of the event not occurring

• The likelihood of the event happening

• The total number of outcomes for the event

What is the probability of rolling a 3 or a 4 on a six-sided die?

• 1/6

• 1/2

• 1/3

• 2/3

What is the probability of rolling an even number on a six-sided die?

• 1/6

• 2/3

• 1/3

• 1/2

If a spinner is divided into four sections, what is the probability of landing on a specific section?

• 3/4

• 1/3

• 1/2

• 1/4

What is the probability of selecting a flamingo from a group of 30 animals, where 12 are flamingos?

• 3/5

• 4/5

• 1/5

• 2/5

Is a flamingo twice as likely to be picked as a crocodile from the given animal selection?

• Depends on the method of selection

• Cannot be determined

• False

• True

Ray is twice as likely to pick a mystery book as a sci-fi book. Is this statement true?

• Information not provided

• Depends on the total number of books

• False

• True

Is Ray three times as likely to pick a fiction book as a mystery book?

• True

• Information not provided

• False

• Depends on the total number of books