Download Writing Probability as a Fraction

Name
Practice
20-2
Writing Probability
as a Fraction
Tom put 4 yellow marbles, 2 blue marbles, 6 red marbles,
and 5 black marbles in a bag.
17
2
__
17
5
__
17
6
__
17
1. Find P(yellow).
2. Find P(blue).
3. Find P(black).
4. Find P(red).
A bag contains 12 slips of paper of the same size. Each slip has
one number on it, 1–12.
6
__
12
5
__
12
6
__
12
4
__
12
5. Find P(even number).
6. Find P(a number less than 6).
7. Find P(an odd number).
8. Find P(a number greater than 8).
or _12
or _12
or _13
9. Describe an impossible event.
You will pull out a number greater than 12.
10. A cube has 6 sides and is numbered 1 through 6. If the cube
is tossed, what is the probability that a 3 will be tossed?
1
A __
6
2
B __
6
3
C __
6
6
D __
6
11. Explain It Explain the probability of tossing a prime number
when you toss the cube with numbers 1 through 6.
Prime numbers would be 2, 3, and 5,
so the probability would be _36 or _12 .
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Topic 20
© Pearson Education, Inc. 5
Practice 20-2
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