Exploring Simple Probability and Complements

The video tutorial covers the basics of probability, including simple probability and complements. It explains how probability is expressed as a number between 0 and 1, using fractions, decimals, and percentages. The tutorial provides examples using dice, spinners, and zoo animals to illustrate how to calculate probabilities and their complements. It also includes a section on determining the probability of selecting different book genres. The video emphasizes the relationship between probability and its complement, ensuring their sum equals one.

What does a probability of 0 signify?

• Event is certain to happen

• Event is unlikely to happen

• Event is impossible

• Event is equally likely to happen or not

Tags

CCSS.7.SP.C.5

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

• 1/3

• 2/3

• 1/2

• 1/6

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

• 2/3

• 1/2

• 1/3

• 1/6

Tags

CCSS.HSS.CP.A.1

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

• 2/3

• 1/2

• 1/6

• 1/3

Tags

CCSS.7.SP.C.7B

What is the probability of not rolling a 1 or 2 on a six-sided die?

• 1/3

• 1/2

• 2/3

• 1/6

What is the probability of Daisy landing on 'A' when she spins the spinner?

• 1/2

• 1/4

• 3/4

• 1/3

Tags

CCSS.7.SP.C.7A

What is the probability of selecting a flamingo from the zoo exhibits?

• 1/3

• 3/5

• 1/2

• 2/5

Tags

CCSS.7.SP.C.7B

Is a flamingo twice as likely to be picked as a crocodile?

• False

• Only if there are more flamingos than crocodiles

• Cannot be determined

• True

Is Rey twice as likely to pick a mystery book as a sci-fi book?

• Cannot be determined

• Only if there are more mystery books than sci-fi books

• False

• True

Tags

CCSS.HSS.MD.B.6

CCSS.HSS.MD.B.7

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

• False

• True

• Cannot be determined

• Only if there are three times as many fiction books as mystery books