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2R Form 2 Chapter 13

Total questions: 50

Worksheet time: 2hrs 40mins

Name
Class
Date
1.
The following M & M colors are in the bowl:
4 yellow, 6 orange, 3 green, 5 blue, 2 brown
What is the probability of selecting a brown candy?
a)
2/18
b)
1/9
c)
2/20
d)
1/10
2.
The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”? 
a)
2/7
b)
5/49
c)
5/7
d)
10/49
3.
What is the probability of spinning an even number? 
a)
16 2/3%
b)
33 1/3%
c)
50%
d)
75%
4.
The letters that form the word MATHEMATICS are placed in a bowl. What is the probability of choosing a "M"?
a)
8/121
b)
4/11
c)
2/11
d)
4/121
5.
What is the probability of drawing a black 5 from a standard deck of playing cards?
a)
1/2
b)
4/52
c)
1/13
d)
1/26
6.
Probability of:
Spinning a 5
Drawing an C
a)
0 - there isn't a 5
b)
1/4
c)
1/8
d)
1/16
7.
Find the experimental probability of spinning Letter Q.
a)
15/15
b)
3/10
c)
3/50
d)
7/10
8.

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?

a)

5/11

b)

5/6

c)

1/3

d)

5

9.

Based on the chart, what is the experimental probability of pulling a green marble?

a)

1/8

b)

8/25

c)

8/100

d)

7/8

10.

There are 15 girls and 15 boys in 8th period. If Terry randomly selects a member of 8th period, what is the probability that she will select a boy?

a)

15/15

b)

1/2

c)

15/40

d)

8/15

11.

What is the probability the spinner stops on yellow?

a)

.05

b)

50%

c)

25%

d)

3/8

12.
Julian selects a card at random from the cards shown.  What is the probability that the card Julian selects is a polygon? ( A polygon is a shape with 3 or more straight sides)
a)
½
b)
c)
d)
13.
Daniel bought a bag of 32 candy-coated chocolates.  Of those candies, 11 are blue and 10 are orange.  If Daniel selects a candy at random,  what is the probability that the candy will NOT be blue orange?
a)
11/32
b)
1/2
c)
11/16
d)
21/32
14.
A bag of markers has 4 red markers, 5 blue markers, 3 yellow markers, and 3 green markers. If Maria pulls out a marker without looking, what is the probability he will NOT pull out a blue marker?
a)
5/10
b)
1/3
c)
4/15
d)
2/3
15.
A small bag of jelly beans contains 2 lemons, 4 cherry, 1 lime, and 3 blueberry jelly beans. If Jessica chooses a jellybean without looking, what is the probability it will be cherry or blueberry?
a)
3/10
b)
7/10
c)
1/2
d)
1/4
16.
Jose randomly selected a block like the ones shown from a bag.  What is the probability that he will choose a cube with a number less than 5?
a)
b)
c)
d)
17.
Which event or complement has a probability of ¼?
a)
P(yellow)
b)
P(NOT blue or orange)
c)
P(yellow or green)
d)
P(NOT green)
18.
The chart shows the number of times a marble was selected randomly from a bag.  What is the probability that the marble selected is NOT green or blue?
a)
21/38
b)
10/28
c)
5/14
d)
17/38
19.
Mrs. Vasquez has a box of marbles containing 6 pink and 9 purple.  If a student reaches in the box and removes one bead, which expression represents the probability of NOT removing a purple marble?
a)
1 - (6/15)
b)
1 +(6/15)
c)
1 - (9/15)
d)
1 + (9/15)
20.
The probability of an event occurring, P(A), can be expressed as a fraction, decimal, or percent.
a)
True
b)
False
21.
The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”? 
a)
2/7
b)
5/49
c)
5/7
d)
10/49
22.
Find the experimental probability:
Roll dice:  1, 3, 3, 4, 4
P(1) = 
a)
1/5
b)
1/6
c)
2/5
23.
A spinner has a 1/5 chance of landing on green. How many times is this event likely to occur if you repeat the trial 85 times?
a)
68
b)
42.5
c)
37
d)
17
24.

List the possible outcomes for flipping two coins.

a)

H, T

b)

HH, HT, TH, TT

c)

HH, TT

d)

Dime, Nickel

25.
A dice (numbered 1-6) is rolled 20 times.  How many times will a number less than 4 show?
a)
5
b)
10
c)
15
d)
Never
26.

What is the n(S) for this sample space :

S = {2,3,4,5,6,7,0}

a)

7

b)

6

c)

5

d)

8

27.

A box containing cards with number 1 to 9. 1 card will picked from the box. Determine whether the event "Two Digit Number" may occur or not.

a)

May Occur

b)

May Not Occur

28.

In a box, there are cards with letter

K A S U T. Which of the following will be the sample space if Consonants are chosen.

a)

Consonant = {K,A,S,U,T}

b)

Consonant = {A,U}

c)

Consonant = {K,S,T}

d)

Consonant = {K,S,U,T}

29.

A number is chosen randomly from the prime numbers between 20 to 40. State the n(S) in the sample space.

[Just write Number]

(a)  

30.

Box A contains one card labelled 1. Box B contains three cards labelled 7, 8 and 9. What is the sample space if 1 card are picked each from box A and B.

a)

n(S) = (1, 7, 8, 9)

b)

n(S) = {1, 7, 8, 9}

c)

n(S) = {(1,7), (1,8), (1,9)}

d)

n(S) = (1,7), (1,8), (1,9)

31.

Calvin likes to throw dice to Teacher Faiz. After that, Calvin also throw coin to Teacher Faiz. What is the n(S) for the sample space ?

a)

6

b)

8

c)

10

d)

12

32.

The probability of selecting a blue marble is  45\frac{4}{5} . If there are 20 TOTAL marbles in the bag, how many blue marbles are in the bag?
                                                             

a)

16 blue marbles

b)

21 blue marbles 

c)

5 blue marbles 

d)

25 blue marbles

33.
a)

0%

b)

1/2, 50%

c)

1/6, 16.7%

d)

100%

34.

The bar graph shows the results of spinning the spinner 200 times. What is the experimental probability of landing on a 3?

a)
b)
c)
d)
35.

A spinner is spun twice. What is the probability of spinning green both times?

a)

1/16

b)

1/4

c)

1/2

d)

1/8

36.
Find the theoretical probability of landing on orange or red if you spin the spinner.
a)
0
b)
3/8
c)
2/8
d)
1/4
37.
A bag of candy contains 2 packs of Skittles, 4 Twizzlers, and 10 Reese's cups. What is the probability of reaching into the bag and choosing either a pack of Skittles or a Reese cup?
a)
3/4
b)
1/4
c)
3/8
d)
1/8
38.
Look at the dartboard. 
A boy is playing darts with his friends. What is the probability that his dart will land in an unshaded square?
a)
12/25
b)
13/25
c)
10/25
d)
11/25
39.
P(1 and A)
a)
1/16
b)
1/10
c)
4/16
d)
1/4
40.
P(cereal or steak)
a)
9/40
b)
1/40
c)
8/40
d)
1/2
41.
P(not cereal or seafood)
a)
7/8
b)
5/8
c)
1/40
d)
1/8
42.
The tree diagram shows the outcomes of rolling a die and flipping a coin.  
How many total outcomes are there?  
a)
6
b)
12
c)
24
d)
36
43.

Sarah hit the ball 3 times out of the 8 times.

What is the experimental probability (as a percent) that she will hit the ball next?

a)

22.5%

b)

37.5%

c)

45%

d)

3%

44.
Without looking, Ashley selected a tile from the tiles shown.  What is the probability she will NOT choose a prime number? ( A prime number is any number with 1 and itself as factors)
a)
b)
c)
½
d)
4/9
45.

A restaurant surveys customers with the following results: 8 pizzas, 12 hamburgers, 14 pastas, and 6 steaks. What is the experimental probability of pizza or steak?

P(pizza or steak)

a)

20%

b)

65%

c)

50%

d)

35%

46.

Brooke has a box of crayons. 45 are yellow, 12 are green, 25 are blue, and 7 are red. If Brooke selects a crayon at random, which color crayon would she be most likely to select?

a)

yellow

b)

green

c)

blue

d)

red

47.

a)

A

b)

B

c)

C

d)

D

48.

a)

A

b)

B

c)

C

d)

D

49.
a)

A

b)

B

c)

C

d)

D

50.

a)

A

b)

B

c)

C

d)

D