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Math 112 Final Review

Total questions: 90

Worksheet time: 4hrs 22mins

Name
Class
Date
1.
What does the word percent mean?
a)
Out of 100
b)
Out of 10
c)
Out of 1,000
2.
What is 12% of 40?
a)
4.2
b)
4
c)
4.8
d)
5
3.
How much tip money would you need to leave for 20% on a $30 meal?
a)
$4.00
b)
$6.00
c)
$8.00
d)
$3.00
4.
10% of what number is 14?(Hint: You're finding the WHOLE)
a)
140
b)
120
c)
105
130
d)
110
5.
160% of what number is 32?(You're finding the WHOLE)
a)
20
b)
21
c)
22
d)
23
6.
What number is 20% of 102?
a)
204
b)
122.4
c)
20.4
d)
20
7.
Mrs. Ciampa had 27 students in her class last year and this year she had 30 students in her math class. What is the percent of change?
a)
24%
b)
20%
c)
11%
d)
50%
8.
From $65 to $144
a)
12.1%
b)
152$
c)
121%
9.
A TV is regularly priced at $600, but it is on sale for 20% off. What's the sale price?
a)
$320
b)
$500
c)
$480
d)
$720
10.
Make the percent to decimal.
7%
a)
.007
b)
0.07
c)
7
d)
70
11.
Convert to a decimal
           3/4
a)
.25
b)
.34
c)
.75
d)
.44...
12.
Convert to a decimal
 
                   1/10
a)
.1
b)
.01
c)
.001
d)
.2
13.

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}

14.
The Universal Set = { -4, 3, -2, -1, 0, 1, 2, 3 ,4} and A = {0}.
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}
15.
{ x | x is all 2nd Block Algebra 1 students}
a)
Roster Form
b)
Universal Form
c)
Set Builder Notation
d)
Equivalent Inequality
16.
What type of set is denoted as either { } or ∅?
a)
Universal Set
b)
Empty (or Null) Set
c)
Disjointed Set
d)
Complement of a Set
17.
Left Pocket (L) = {pencils, erasers, pens}
Right Pocket (R) = {gloves, paper, coins, phone}
What is L ∪ R?
a)
∅
b)
{pencils, erasers, pens}
c)
{gloves, paper, coins, phone}
d)
{pencils, erasers, pens, gloves, paper, coins, phone}
18.
How many senior boys play football and wrestle?
a)
9
b)
12
c)
18
d)
39
19.
Find the probability of rolling greater than a 1 on a single die.
a)
6/6
b)
5/6
c)
4/6
d)
1/6
20.
Probability can only be values between which two numbers?
a)
0 to 2
b)
0 to 10
c)
0 to 5
d)
0 to 1
21.
What statement does the shaded region represent?
a)
A or B
b)
A and B
c)
A
d)
B
22.
What is the probability of spinning green?
a)
0
b)
1/4
c)
1/2
d)
3/4
23.

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)

1/10

24.

A key ring has 12 keys, 3 of which open the house door. If two keys are randomly selected without replacement, what is the probability that neither key opens the door?

a)

122\frac{1}{22}

b)

611\frac{6}{11}

c)

916\frac{9}{16}

d)

2122\frac{21}{22}

25.

Identify the shaded area...

a)

A

b)

B

c)

A'

d)

B'

26.
How many senior boys play football and wrestle?
a)
9
b)
12
c)
18
d)
39
27.
Is the event INDEPENDENT or DEPENDENT?
Amy plays card games.  She picks a card at random.  Then without putting the first card back, he picks a second card at random.
a)
Independent
b)
Dependent
28.
There are six nickels and seven dimes in your pocket. You randomly pick a coin out of your pocket and then return it to your pocket. Then you randomly pick another coin. Both times the coin is a nickel.
a)
6/13
b)
2/7
c)
5/16
d)
3/19
29.

Events that have NO affect on other events are called...

a)

Independent Events

b)

Dependent Events

30.

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

a)

True

b)

False

31.

If you are picking a card randomly from a deck of cards, the events of picking an ace and picking a ‘3’ are mutually exclusive.

a)

True

b)

False

32.
A farm has 5 brown cows and 10 white cows. A fence is open and two cows escape. What is the probability that it will be a brown cow, then a white cow?
a)
1/9
b)
2/9
c)
5/21
d)
10/21
33.
P(not A) = 
*Remember to simplify.*
a)
6/8
b)
3/4
c)
2/8
d)
1/4
34.
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%
35.
A disc jockey has to choose three songs for the last few minutes of his evening show.  If there are nine songs that he feels are appropriate for that time slot, then how many ways can he choose and arrange to play three of those nine songs?
a)
84
b)
504
c)
9!
d)
3!
36.
Eva has eight glasses of water.  In how many different orders can the glasses of water be arranged?
a)
8
b)
64
c)
8!
d)
56
37.
What is the value of 8!
a)
40320
b)
36
c)
362880
d)
5040
38.
Rylan’s basketball team has 11 players. How many ways can his coach choose five starting players?
a)
462
b)
55440
c)
55
d)
1000
39.
If you score 76, 85, 97, and 83 on your math tests, what would your median score be? 
a)
84
b)
90
c)
85
d)
88
40.
Find the mean of these numbers:
5, 11, 2, 12, 4, 2
a)
4.1
b)
6
c)
4.5
d)
4
41.
The salary of the employees in the office were $15,000; $18,000; $16,000; $14,000; $90,000; and $17,000.  What is the best measure of the central tendency of the salaries?
a)
Mean
b)
Median
c)
Mode
d)
Range
42.
a)
spread
b)
mean
c)
outlier
d)
median
43.
How many students scored more than 80%?
a)
10
b)
13
c)
7
d)
15
44.
What is the mode of the scores?
a)
24
b)
14
c)
34
d)
30
45.
How many students have more than 1,000 songs on their MP3 player?
a)
5
b)
16
c)
10
d)
4
46.
What measure of central tendency (mean, median or mode) would be best for the following set of data?
0, 89, 92, 97, 99, 100
a)
Mode, because it is the one that shows up the most.
b)
Median, because there is an outlier.  The outlier could be incorrect and would influence the mean too much.
c)
Mean, because there is not an outlier.  You should always use the mean.
d)
There is not a best measure of central tendency for this data.
47.

What is the range for this data set? Remember to subtract the minimum value from the maximum value.

a)

10

b)

15

c)

25

d)

30

48.

Rank the data from least to greatest.

a)

55, 55, 55, 55, 55, 60, 60, 60, 60, 60, 70, 70, 75, 75, 85

b)

55, 55, 55, 55, 55, 55, 60, 60, 60, 70, 70, 70, 75, 75, 85

c)

55, 55, 55, 55, 55, 60, 60, 60, 60, 70, 70, 70, 75, 75, 85

d)

55, 55, 55, 55, 55, 60, 60, 60, 60, 70, 70, 75, 75, 75, 85

49.
What type of correlation (association)?
The outside temperature and the amount of layers you wear. 
a)
Positive correlation
b)
Negative correlation
c)
No correlation
50.
What type of correlation does this graph have?
a)
Negative 
b)
no association
c)
positive 
51.
As the age of the car increases, its value decreases. Which scatterplot represents this relationship?
a)
A
b)
B
c)
C
d)
D
52.

What does point C on the box plot represent?

a)

First Quartile

b)

Median

c)

Third Quartile

d)

Mean

53.

What do points A and E represent on the box plot?

a)

Mean and Mode

b)

Mean and Median

c)

Least and Greatest Value

d)

First and Third Quartiles

54.

What is the range of this data set?

a)

6

b)

12

c)

13

d)

19

55.

Interquartile Range is

a)

the difference between the third quartile and the first quartile

b)

the difference between the greatest and least data values.

56.

Given a mean of 75 and a standard deviation of 7, what percentage of scores are between 75 and 82?

a)

68%

b)

81.5%

c)

16%

d)

34%

57.

Given a mean of 75 and a standard deviation of 7, what percentage of scores are between 54 and 96?

a)

34%

b)

99.7%

c)

95%

d)

2.5%

58.

Given a mean of 75 and a standard deviation of 7, what percentage of scores are above 82?

a)

34%

b)

81.5%

c)

16%

d)

2.5%

59.
What shape is a normal distribution curve?
a)
Half curve
b)
Round curve
c)
Bell curve
d)
Square curve
60.
The shelf life of a particular dairy product is normally distributed with a mean of 12 days and a standard deviation of 3 days.

About what percent of the products last 6 days or less?
a)
68%
b)
34%
c)
16%
d)
2.5%
61.
The mean life of a tire is 30,000 km. The standard deviation is 2000 km.

Then, 68% of all tires will have a life between ___________ km and __________ km.
a)
 28,000 km and 32,000 km.
b)
24,000 km and 34,000 km.
c)
26,000 km and 34,000 km.
d)
27,000 km and 31,000 km.
62.
a)
only 2nd period is symmetric
b)
both plots are symmetric
c)
5th period is bimodal
d)
2nd period's center is higher than 5th period
63.

What is the shape of the data shown?

a)

Skewed left

b)

Skewed Right

c)

Symmetric

d)

Bell shaped

64.

The dot plots show the gas mileage, in miles per gallon, for several cars and SUV's. Which type of vehicle has a larger spread?

a)

cars

b)

SUVs

65.

A data set can have more than one median. True or false?

a)

True

b)

False

66.

What is a peak on a graph.

a)

The highest point in a cluster.

b)

No point at all.

c)

The lowest point.

d)

All of the Above.

67.

A way to describe the shape of a data display that has two modes or peaks.

a)

unimodal

b)

bimodal

c)

multimodal

d)

uniform

68.
The sum of seven and x
a)
7-x
b)
x-7
c)
7x
d)
7+x
69.
Five less than y
a)
5+y
b)
5y
c)
5-y
d)
y-5
70.
Five times Mike's age increased by 9
a)
5(x+9)
b)
9(5+x)
c)
9x+5
d)
5x+9
71.

What is the origin?

a)

The point furthest away from the center of the coordinate plane

b)

The four regions of a coordinate plane

c)

the x-axis

d)

Where the x-axis and y-axis intersect

72.

What is the ordered pair for point K?

a)

( - 3 , - 3 )

b)

( 3 , - 3 )

c)

( - 4 , - 4 )

d)

( 5 , 8 )

73.
Multiplying 5 and dividing 5 are ________________.
a)
equations
b)
inverse operations
c)
solutions of an equation
d)
expressions
74.
Write an equation for the word sentence:
The sum of a number and 4.5 is 8.2.
a)
8.2=4.5n
b)
n+4.5=8.2
c)
8.2n=4.5
d)
n-4.5=8.2
75.
x - 32 = 49
a)
x = 17
b)
x = 71
c)
x = 81
d)
x = 49
76.
10x = 90
a)
x = 80
b)
x = 100
c)
x = 10
d)
x = 9
77.
10x + 9 = 4x - 9
a)
0
b)
3
c)
-3
d)
-18
78.
a)
x=5
b)
x=4
c)
x=6
d)
x=7
79.
14 less than  6 times k 
a)
6 - 14k
b)
6k - 14
c)
14k - 6
d)
14 - 6k
80.
In the following equation, what is the y-intercept?  
y = -3x + 7
a)
-3
b)
7
c)
-3/7
d)
3
81.
What is the slope in the equation:  y=4x+3
a)
3
b)
4x
c)
4
d)
x
82.
Find the slope.
a)
3/2
b)
-3/2
c)
(-0,-3)
d)
none of the above
83.
Which equation represents the following graph?
a)
y = 3x + 2
b)
y = -2x + 3
c)
y = 2x + 3
d)
y = -3x + 2
84.
What type of slope does the following graph have?
a)
Postive
b)
Negative
c)
Zero Slope
d)
Undefined
85.
What is the y-intercept of the line graphed below?
a)
3
b)
4
c)
-3
d)
4/3
86.
Give the equation for the graph
a)
y = 5x - 3
b)
y = 4x + 2
c)
y =-2x + 5
d)
y = - 2x + 4
87.
What is the slope between the two points?
(2, 8); (3, 12)
a)
0
b)
-1
c)
undefined
d)
4
88.

What is the slope?

a)

1

b)

-1

c)

3

d)

-3

89.
Find the slope of the line.
a)
-5/4
b)
5/4
c)
-4/5
d)
4/5
90.
Find the slope of the line.
a)
Undefined
b)
0
c)
1
d)
-1

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