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WorksheetsProbability 1
Total questions: 25
Worksheet time: 56mins
Name
Class
Date
1.
A bag of marbles contains 5 red, 3 blue, and 4 green. What is the probability of Not pulling a green marble?
a)
1/3
b)
2/3
c)
1/4
d)
3/4
2.
What is the probability of drawing a face card from a standard deck of cards?
a)
1/4
b)
1/13
c)
3/13
d)
3/52
3.
Tickets numbered 1-20 are placed in a bag. If one is drawn then replaced then another is drawn what is P(drawing an even and an odd numbered ticket)?
a)
1/2
b)
1/4
c)
3/4
d)
1/3
4.
Use the table to determine the probability of a boy speaking German.
a)
.08
b)
.73
c)
.4
d)
.32
5.
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
6.
You roll two die.
What is the probability you will roll a 4, then roll a number less than 3?
What is the probability you will roll a 4, then roll a number less than 3?
a)
1/36
b)
1/18
c)
1/9
d)
1/6
7.
In a drawer, there are 6 white socks, 4 black socks, and 2 brown socks. You pick out a sock, replace it, then pick out a 2nd sock. What is the probability that you will pick a brown, then black sock?
a)
1/11
b)
1/18
c)
1/36
d)
2/33
8.
How many total outfit options are represented?
a)
12
b)
22
c)
3
9.
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?
What is the probability of rolling an even number and flipping a head?
a)
3/12
b)
1/2
c)
4/12
d)
0/12
10.
A bag contains 3 white balls, 4 green balls and 5 red balls. 2 balls are drawn from the bag without replacement.
Use a tree diagram to find the probability that the balls are red colors.
Use a tree diagram to find the probability that the balls are red colors.
a)
1/22
b)
5/33
c)
1/220
d)
3/11
11.
If A = {1, 3, 5, 7, 9} and B = {2, 3, 5, 7}, what is A ∩ B?
a)
{3, 5, 7}
b)
{2, 3, 5, 7}
c)
{2, 3, 5, 7, 9}
d)
{1, 2, 3, 5, 7, 9}
12.
If A = {1, 3, 5, 7, 9} and B = {2, 3, 5, 7}, what is A ∪ B?
a)
{3, 5, 7}
b)
{2, 3, 5, 7}
c)
{2, 3, 5, 7, 9}
d)
{1, 2, 3, 5, 7, 9}
13.
Find n(A) for the set:
A = {14, 16, 18, 20, 22, 24}
A = {14, 16, 18, 20, 22, 24}
a)
6
b)
12
c)
4
d)
8
14.
Determine if the statement is true or false.
{x: x is an even integer} ⊂ {z: z is a positive integer}
{x: x is an even integer} ⊂ {z: z is a positive integer}
a)
True
b)
False
15.
List the two element subsets of the set {1,2,3,4}
a)
{1,2}, {1,3}, {1,4}, {2, 3}, {2, 4}, {3,4}
b)
{1,1}, {1,2}, {1,3}, {1,4}, {2,2},{2, 3}, {2, 4},{3,3}, {3,4}, {4,4}
16.
The Universal Set = { -4, 3, -2, -1, 0, 1, 2, 3 ,4} and A = {0}.
What is the complement of A?
What is the complement of A?
a)
{-4, -3, -2, -1, 0, 1, 2, 3}
b)
{-3, -2, -1, 1, 2, 3}
c)
{-4, -3, -2, -1, 1, 2, 3, 4}
d)
{-4, -3, -2, -1, 1, 2, 3}
17.
If
P = {0, 1, 2, 3, 4}, Q = {4, 6, 8}
R = {6, 12, 18} Then what is (P ∩ Q) ∪ (Q ∩ R)?
P = {0, 1, 2, 3, 4}, Q = {4, 6, 8}
R = {6, 12, 18} Then what is (P ∩ Q) ∪ (Q ∩ R)?
a)
{4}
b)
{4, 6}
c)
{4, 6, 8}
d)
{1, 2, 3, 4, 6, 8}
18.
Which of the following represents the shaded region?
a)
A or B
b)
A and B
c)
A'
d)
B'
19.
Which of the following represents the shaded region?
a)
A union B
b)
A intersect B
c)
A ⊂ B
d)
B ⊂ A
20.
Which of the following represents the shaded region?
a)
(A or B)'
b)
(A and B)'
c)
A'
d)
B'
21.
Which of the following statements are true for the Venn diagram shown?
a)
A ∩ B = ⊘
b)
A ⋃ B = ⊘
c)
A ⋃ B = A
d)
A ⋂ B = A
22.
Determine n(W ⋃ C)'.
a)
6
b)
15
c)
21
d)
44
23.
Experimental Probability is:
a)
What will happen
b)
What actually happened
c)
What should happen
d)
What I think will happen
24.
Which statement below is true?
a)
The theoretical probability of rolling a 3 is greater than the experimental probability of rolling a 3
b)
The theoretical probability of rolling a 3 is less than the experimental probability of rolling a 3
c)
The theoretical probability of rolling a 3 is equal to the experimental probability of rolling a 3
d)
You cannot determine the theoretical probability.
25.
What is the experimental probability of landing on orange or red?
a)
2/5
b)
3/8
c)
3
d)
10 times
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