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Math 2 Basic Probability Questions

Total questions: 40

Worksheet time: 43mins

Name
Class
Date
1.
What is the probability of spinning and landing on green?
a)
3/12
b)
1/4
c)
3/4
d)
9/12
2.
Sample space is defined as...
a)
the likelihood of an event occurring.
b)
a diagram of all possible outcomes.
c)
the probability of an event.
d)
a list of all possible outcomes.
3.
The cafeteria is serving three kinds of sandwiches:  tuna (T), chicken, (C), and peanut butter (P).  They are also serving a choice of two drinks:  milk (M) or water (W).  Which shows the CORRECT Sample Space List of possible combinations?
a)
TW, CW, PW
b)
TW, TM, TC, CW, PW
c)
TW, TM, CW, CM, PW, PM
d)
TCP, MW
4.

What is the sample space when rolling a regular number cube?

a)

1

b)

2, 4, 6

c)

1, 2, 3, 4, 5, 6

d)

6

5.

What is the sample space for choosing 1 jelly bean from a jar of 4 red, 7 blue, and 2 green jellybeans?

a)

4, 7, and 2

b)

red, blue, green

c)

2 green

d)

4 red

6.
Which shows the sample space for flipping two coins?
a)
H, T
b)
HH, HT, TH, TT
c)
HH, TT
d)
Dime, Nickel
7.

What does this symbol represent?

a)

Intersection "and"

b)

Intersection "or"

c)

Union "and"

d)

Union "or"

8.

What does this symbol represent?

a)

Intersection "and"

b)

Intersection "or"

c)

Union "and"

d)

Union "or"

9.

The members of Set A ∪ B are

a)

{9, 15}

b)

{2, 5, 9, 15, 19}

c)

{8, 9, 10, 13, 15, 17}

d)

{2, 5, 8, 9, 10, 13, 15, 17, 19}

10.

The members of Set K ∩ T are

a)

{spoon, spatula, whisk}

b)

{couch, television}

c)

{plate, tablecloth, cup, napkin}

d)

{fork, knife}

11.
If A = {1, 2, 3, 4, 5, 6} and B = {1, 2, 3, 5, 7, 9} What is A ⋂ B?
a)
{1, 2, 3, 4, 5, 6, 7, 9}
b)
{1, 2, 3, 5}
c)
{4, 6, 7, 9}
d)
{ }
12.

Let C={2, 5, 7, 10} and B={x|x is an odd whole number less than 10}. Find C U B

a)

{1,2,3,5,7,9,10}

b)

{2, 4, 5, 6, 7, 8, 10}

c)

{2, 4, 7, 8, 10}

d)

{ 6, 7, 8, 10}

13.

Left Pocket (L) = {pencils, erasers, pens}

Right Pocket (R) = {gloves, paper, coins, phone}

What is L ∪ R?

a)

∅

b)

{gloves, paper, coins, phone}

c)

{pencils, erasers, pens}

d)

{pencils, erasers, pens, gloves, paper, coins, phone}

14.

Let H ={ 1,3,5 } and M={ 2,3,5,7 }. Which of the following shows H∩M ?

a)

{ }

b)

{ 3, 5 }

c)

{ 1, 2, 3, 5, 7 }

d)

{ 1, 7 }

15.

A=(1,2,3) B=(3,4,5)

A ∩  B =(       )A\ \cap\ \ B\ =\left(\ \ \ \ \ \ \ \right)  Find the element

a)

1

b)

2

c)

3

d)

4

16.

How many senior boys play football but do not wrestle?

a)

26

b)

8

c)

104

d)

16

17.

How many senior boys play football or wrestle?

a)

26

b)

44

c)

28

d)

104

18.

How many students took the survey?

a)

47

b)

6

c)

53

d)

30

19.

How many students do not snowboard?

a)

21

b)

22

c)

28

d)

29

20.

How many students do not ski or ice skate?

a)

10

b)

16

c)

22

d)

28

21.

Identify each region of the Venn diagram that represents students who reads only the TOI and The Hindu.

a)

1

b)

2

c)

3

d)

4

22.

Which region(s) represent students that enjoy swimming and tennis?

a)

B

b)

D

c)

B and D

d)

A and C

23.

How many students like Soccer or Hockey or Golf?

a)

69

b)

36

c)

33

d)

2

24.

How many students like Soccer or Golf ?

a)

16

b)

8

c)

49

d)

41

25.

How many students do not like either Soccer or Hockey ?

a)

5

b)

21

c)

16

d)

28

26.

How many students like both Soccer and Hockey but not Golf ?

a)

12

b)

41

c)

43

d)

10

27.

How many students only like Soccer ?

a)

11

b)

29

c)

18

d)

45

28.

How many students like both Hockey and Golf ?

a)

58

b)

17

c)

40

d)

56

29.

How many students do not like either Soccer or Golf ?

a)

63

b)

36

c)

47

d)

20

30.

How many students do not like either Soccer or Golf or Hockey?

a)

16

b)

2

c)

33

d)

36

31.

What is the probability of choosing a red marble if there are 8 red marbles in a jar of 15?

a)

P = 3/15

b)

P = 7/15

c)

P = 8/15

d)

P = 15/8

32.

What is the complement of choosing a red marble if there are 8 red marbles in a jar of 15?

a)

P' = 3/15

b)

P' = 7/15

c)

P' = 8/15

d)

P' = 15/8

33.

How likely are you to roll a 1 on a regular die?

a)

P = 2/6

b)

P = 3/6

c)

P = 5/6

d)

P = 1/6

34.

How likely are you to NOT roll a 1 on a regular die? (Complement)

a)

P' = 2/6

b)

P' = 3/6

c)

P' = 5/6

d)

P' = 1/6

35.

How likely are you to choose a yellow marble out of a jar, if there are 6 blue, 2 red, and 4 yellow?

a)

P = 4/10

b)

P = 1/3

c)

P = 2/12

d)

P = 6/12

36.

How likely are you to roll an even number of a regular die?

a)

P = 2/6

b)

P = 1/2

c)

P = 1/3

d)

P = 2/3

37.

The probability of getting bonus points is 3/10. Find the odds in favor of getting bonus points.

a)

3 to 7

b)

3 to 10

c)

7 to 10

d)

7 to 3

38.

The odds in favor of receiving a gift are 5:2. Find the probability of Henry receiving a gift.

a)

5/2

b)

5/7

c)

2/7

d)

2/5

39.

Out of 10 balloons, two are small, five are medium, and three are large. Find the odds in favor of a small balloon.

a)

2:8

b)

8:10

c)

2:10

d)

8:2

40.
What are the odds in favor of randomly selecting a dime from a dish containing 11 pennies, 6 nickels, 5 dimes, and 3 quarters? 
a)
4:1
b)
1:4
c)
1:5
d)
5:1

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