Probability Scale/Line
Roll the fair 6-sided Dice
Equals
Bag of equal size Marbles
Fair Spinner
100

Impossible equals what number on the probability line?

Zero

100

What is the probability of rolling a 2?

1/6

100

1/4 is what percentage?

25%

100

What will be the denominator when finding probability?

12

100

What will be the denominator when finding probability?

8

200

Certain equals what number on the probability line?

1

200

What is the probability of rolling an 8?

0

200
How is 90% written as a decimal?
0.9
200

What is the probability of getting a green marble?

5/12

200

What is the probability of spinning red as a fraction?

1/8

300

If a probability is even chances, what is the percentage on the probability line?

50%

300

What is the probability of rolling an even number?

3/6 or 1/2

300

What is the probability of 1/3 as a percentage?

33.3% (rounded to 3 s.f.)


300

What is the probability of getting an orange marble?


3/12 or 1/4

300

What is the probability(fraction) of spinning green?

3/8

400

What percentage is a certain probability?

100%

400

What is the probability of rolling an odd number?

3/6

400

How is 0.85% written as a fraction?

85/10000

400

What is the probability(in %) of getting a blue or green marble?

75%

400

What is the probability of spinning not on red region?

7/8

500

What is the range of probability? 

0 to 1 OR 0% to 100%

500

What is the probability of rolling a number less than 6?

5/6

500

What is the probability of 0.00455 written as a percentage?

0.455%

500

What is the probability(in %) of not getting green marble?

58.3 % (rounded to 3 s.f.)

500

What is the probability in decimal of spinning on either green or blue region?

0.625