Number Line Probability

If an event is Equally Likely, what percent probability will it have?

• 0%

• 50%

• 75%

• 100%

Where on the number line would you place the following event: "When I walk out of the school today, I will see a dinosaur walking around in the parking lot."

• 0

• 0.25

• 0.50

• 1

Where on the number line would you place the following event: "If you roll a dice (with side 1-6), it will land on 8."

• 0

• 0.25

• 0.50

• 1

Where on the number line would you place the following event: "A solid rock dropped in the water will sink."

• 0

• 0.25

• 0.50

• 1

If an event is unlikely, what decimal probability will it have?

• 0

• 0.25

• 0.50

• 0.75

If an event is equally likely, what decimal probability will it have?

• 0

• 0.25

• 0.50

• 0.75

Where on the number line would you place the following event: "March 2021 will have 31 days in the month."

• 0

• 0.25

• 0.50

• 1

Where on the number line would you place the following event: "A bag contains 10 marbles (1 red, 3 yellow, 4 green, 2 blue). What is P(picking an orange)?"

• 0

• 0.25

• 0.50

• 1

Where on the number line would you place the following event: "A bag contains 10 marbles (1 red, 3 yellow, 4 green, 2 blue). What is P(picking a yellow or green)?"

• 0

• 0.25

• 0.50

• 0.75

In your own words, explain how we use the number line from 0-1 is set up for probability events.

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