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Probability Practice

Total questions: 24

Worksheet time: 5hrs 3mins

Name
Class
Date
1.
What is the probability of spinning green?
a)
0
b)
1/4
c)
1/2
d)
3/4
2.
You flip a nickel three times.
Find the probability that all flips will land on tails.
a)
1/2
b)
1/4
c)
1/6
d)
1/8
3.
A store sells shirts that are either small, medium, or large. The colors are either red, blue, green, or white. What is the probability someone will select a large green shirt?
a)
1/3
b)
1/7
c)
1/9
d)
1/12
4.
What is the probability of drawing a black card from a standard deck of 52 playing cards?
a)
1/2
b)
4/52
c)
1/13
d)
1/26
5.

How many fewer fishing licenses were sold in Hamilton County than Clinton County?

a)

3

b)

300

c)

3000

d)

10

6.

The graph above illustrates the number of box tops collected by four classrooms during a school contest. The sum of the box tops collected by the two rooms with the fewest box tops is approximately what percent of the sum of the box tops collected by the two rooms with the most box tops?

a)

30%

b)

50%

c)

65%

d)

70%

e)

80%

7.

According to the graphs above, how many seniors are enrolled at Taft High School?

a)

375

b)

525

c)

750

d)

1500

e)

2125

8.

Fundamental Counting Principle is...

a)

multiplying all possible outcomes from each event

b)

adding all possible outcomes from each event

c)

dividing all possible outcomes from each event by two

d)

adding all possible outcomes from each event and then dividing by two

9.

How many outfits are possible with five pairs of jeans, eight t-shirts, and two pairs of shoes?

a)

15

b)

40

c)

80

d)

10

e)

160

10.

A particular model at a New Car Dealership comes in four trim levels, five different colors, and three different interiors. How many different versions of this car model can be created from these options?

a)

180

b)

80

c)

12

d)

60

e)

72

11.
Which of the following situations is represented by this tree diagram?
a)
3 shirt options, 6 pants options, and 12 shoe options
b)
3 shirt options, 2 pants options, and 2 shoe options
c)
2 shirt options, 3 pants options, and 1 shoe option
12.
Members of a video club choose a personal identification number (PIN) consisting of 2 letters followed by 2 digits.  How many PIN's are possible if letters and digits are repeated? 
a)
67, 600
b)
72
c)
1, 000, 000
13.
Heather must choose a PIN code for her ATM card.  The pin is a 4 digit code.  How many possible PIN numbers are there?
a)
10,000
b)
More than 1 million
c)
4
d)
None of these
14.

Chelsea needs to make a Twitter password. They only allow 3 letters then 4 digits. The letters can only be uppercase. How many passwords are possible?

a)

175,760,000

b)

234,812,452

c)

54,000,000

d)

None of these

15.

Your locker will have a combination using 3 numbers from 0 - 9. A single digit cannot be repeated. How many possible combinations are there?

a)

1000

b)

720

c)

30

d)

729

16.
The chart below represents the number of marbles in a jar.
P(green) = 
a)
5/19
b)
10/28
c)
5/14
17.
The probability of it raining today is 30%.  What is the probability that it will NOT rain?
a)
30%
b)
70%
c)
100%
d)
0%
18.
What is the probability of rolling a cube and having land as an odd number?
a)
3/4
b)
1/3
c)
1/2
d)
2/5
19.
What is the probability of spinning the spinner and having it land on RED?
a)
33%
b)
50%
c)
12%
20.
At Papa John's you are deciding on what you want for dinner. The pizza offers 8 different meats, 4 different cheeses, 3 different crust types and 2 different sauces. How many different pizzas do you have to choose from?
a)
32
b)
192
c)
40,320
d)
51,200
21.
Heather must choose a PIN code for her ATM card.  The pin is a 4 digit code.  How many possible PIN numbers are there?
a)
10,000
b)
More than 1 million
c)
4
d)
None of these
22.
There are 7 books on a shelf.  The dictionary will always be on the left end and the Guiness book of records will always be on the right end.  How many ways can the books be arranged?
a)
120
b)
200
c)
5040
d)
7680
23.
There are 270 girls and 210 boys enrolled in the Jefferson school.  The cover of the yearbook will show a photograph of a pair of students, one girl and one boy.  How many different pairs of students are possible?
a)
480
b)
56, 700
c)
40, 000
24.

Find the mode of these numbers:

4,3,6,4,3,6,6,3,2,1,3

a)

3

b)

6

c)

4

d)

2