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Compound Probability

Total questions: 26

Worksheet time: 45mins

Name
Class
Date
1.

If you spin this spinner two times, what are the chances that it will land on yellow both times?

a)

1 ⁄ 16

b)

1 ⁄ 2

c)

1 ⁄ 4

d)

1 ⁄ 8

2.

What is the probability of picking a blue marble, putting it back in the bag, then picking a red marble?

a)

749\frac{7}{49}  

b)

37\frac{3}{7}  

c)

714\frac{7}{14}  

d)

1249\frac{12}{49}  

3.

If you spin two times, what is the probability of landing on green both times?

a)

212\frac{2}{12}

b)

136\frac{1}{36}

c)

16\frac{1}{6}

d)

112\frac{1}{12}

4.

What is the probability of selecting a red marble, putting it back, and then getting a green marble?

a)

649\frac{6}{49}

b)

514\frac{5}{14}

c)

549\frac{5}{49}

d)

642\frac{6}{42}

5.

What is the probability of the number cube landing on a 6 and the coin landing on heads?

a)

1/12

b)

1/4

c)

1/8

d)

1/2

6.
a)

1/4

b)

1/8

c)

1/2

d)

1/6

7.
a)

1/8

b)

1/2

c)

1/24

d)

1/16

8.
a)

1/2

b)

1/8

c)

1/3

d)

1/12

9.
a)
1/48
b)
1/6
c)
1/8
d)
1/24
10.
a)
1/8
b)
1/2
c)
1/24
d)
1/16
11.
What is the probability of the arrow stopping on “X” on the first spin and “F” on the second spin?
a)
5/6
b)
1/36
c)
1/3
d)
1/6
12.
You roll a six sided die. What is the probability of rolling an even number three times in a row? 
a)
3/100
b)
1/2
c)
1/6
d)
1/8
13.

Sarah will spin the two spinners at the same time.  What is the probability that both spinners will land on red?

a)

1/6

b)

6/14

c)

3/7

d)

1/4

14.

What is the probability of selecting an A, putting it back and then selecting an A again?

a)

4/81

b)

2/9

c)

2/7

d)

4/18

15.

What is the probability of selecting the letter B, putting it back, and then selecting the letter E.

a)

3/18

b)

3/81

c)

1/81

d)

2/81

16.

What is the probability of selecting a green marble, putting it back, and then selecting a blue marble?

a)

227\frac{2}{27}

b)

581\frac{5}{81}

c)

618\frac{6}{18}

d)

518\frac{5}{18}

17.

What is the probability of selecting a blue marble, putting it back, and then selecting a red marble?

a)

481\frac{4}{81}

b)

781\frac{7}{81}

c)

718\frac{7}{18}

d)

427\frac{4}{27}

18.

What is the probability of selecting a black marble, putting it back, and then selecting a white marble?

a)

15\frac{1}{5}

b)

350\frac{3}{50}

c)

3100\frac{3}{100}

d)

4100\frac{4}{100}

19.

What is the probability of the spinning both and getting A and 1?

a)

13\frac{1}{3}

b)

15\frac{1}{5}

c)

27\frac{2}{7}

d)

112\frac{1}{12}

20.

What is the probability of both spinning red and rolling an odd number?

a)

14\frac{1}{4}

b)

24\frac{2}{4}

c)

38\frac{3}{8}

d)

112\frac{1}{12}

21.

What is the probability for picking a waffle cone?

a)

1/8

b)

1/2

c)

1/10

d)

3/4

22.
The tree diagram shows the outcomes of rolling a die and flipping a coin.  
What is the probability of rolling an even number and flipping a head?
a)

1/4

b)

1/2

c)

1/3

d)

5/12

23.

What is the probability that you will get plain crust with ham on your pizza?

a)

1/8

b)

1/2

c)

1/10

d)

2/10

24.

What is the probability that you will get mushrooms on your pizza?

a)

1/5

b)

2/5

c)

2/12

d)

1/6

25.
How many outfits are possible with 5 pairs of jeans, 8 t-shirts, and 2 pairs of shoes?
a)
15
b)
40
c)
80
d)
10
26.

The sample space tree diagram for a team of three students is shown.  What is the probability that the team would consist of 3 girls?

a)

1/8

b)

1/2

c)

1/4

d)

4/8