Look at part 1. What is
How do you convert 0.75 to a percentage?
Multiply by 100.
What is 0.75 as a percentage?
What percentage is 9 of 36? How do you know?
The percentage is 25%. Nine divided by 36 is 0.25 and
What is 50% of 20? How did you find your answer?
Fifty percent of 20 is 10. Explanations vary.
What is 20% of 45? How did you find your answer?
Twenty percent of 45 is 9. Explanations vary.
Look at part 2. What is the term likelihood?
Possible answer: Likelihood is used to describe the chances that something will occur.
What is probability?
Probability is a measure of the likelihood of a specific event occurring.
What 2 numbers do all probabilities fall between?
Zero and 1.
What does a probability of zero represent? What does a probability of 1 represent?
Probabilities of zero are impossible events. Probabilities of 1 are certain events.
Look at statement D in part 2. Which probability event is likely? Which probability event is unlikely? Justify your choices.
Choosing a blue marble is likely because there are so many of them, 18 blue marbles out of 20 total, in the bag. Choosing a red marble is unlikely because there are so few of them, 2 red marbles out of 20 total, in the bag.
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