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Probability

Total questions: 10

Worksheet time: 36mins

Name
Class
Date
1.

Homecoming has 9 candidates for King. How many ways can a King and a First Runner-up be chosen to form the Festival Court?

a)

18

b)

36

c)

72

d)

81

2.

Student council has 19 members. In how many different ways can four students be selected for a committee? Assume that all four students are equal members of the committee (i.e., picking a student first is no different than picking them second)

a)

93024

b)

3876

c)

130321

d)

76

3.

Picking a President, Vice-President, and Secretary from a group of 12 is a....

a)

Permutation

b)

Combination

c)

Neither

4.
How many senior boys play football or wrestle?
a)
9
b)
21
c)
30
d)
39
5.

If I flip a coin ten times, how many outcomes are possible?

a)

20

b)

90

c)

1024

d)

10

6.

How many ways are there to rearrange the word CONNECTICUT?

a)

39916800

b)

6652800

c)

3326400

d)

1663200

7.

Which of the following describes a PERMUTATION?

a)

Selecting three applicants out of 45 for a computer programmer position (assume they are all the same position)

b)

A group of 25 people run a race. The top 8 runners all advance to the finals

c)

Selecting four out of ten digits for a phone PIN

d)

A team of 17 baseball players need to select two people to fill the water canteens.

8.

What is the probability of spinning an even number?

a)

16 2/3%

b)

33 1/3%

c)

50%

d)

75%

9.

Find the probability of rolling less than a 5 on a single die.

a)

1

b)

5/6

c)

2/3

d)

1/6

10.

If you are picking a card randomly from a deck of cards, the events of picking a spade and picking a heart are mutually exclusive.

a)

True

b)

False