MATH120 EXAMS 2025/26 QUESTIONS
WITH COMPLETE SOLUTIONS.
1 of 86
Term
How many different ways can 8 types of candy be displayed on a
grocery store shelf?
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30,240 35,280
50,400 40,320
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2 of 86
Term
Letter grade (A, B, C, D, F) is an example of
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An ordinal variable. A ratio variable.
An interval variable. A nominal variable.
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3 of 86
Term
If a security firm assigns 5-digit pins to its employees, how
many different pins are there if the pins can contain any
number from 1-9? (Note that 0 is excluded.)
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50,000 40,000
, 59,049 65,000
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4 of 86
Term
If the expected value of a diamond is $3,500, but the
observed value is $3,800, what is the residual?
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$300 $200
$500 $100
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5 of 86
Term
Divide 8! by 8.
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6,048 7,200
, 5,040 4,032
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6 of 86
Definition
27
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Using the test scores in the table below, what is the standard
deviation of the scores on the exam? (Round your answer to the
nearest whole number.)
96 92 91 90 87 86 86 83 82 77
Using the test scores in the table below, what is the variance of
the scores on the exam? (Round your answer to the nearest
whole number.)
96 92 91 90 87 86 86 83 82 77
A dance company has 10 dancers, from which 6 dancers will be
selected to perform together. How many possible 6-dancer
groups does the company have?
Standard M&M's come in six colors: brown, yellow, red, orange, green
and blue. If there are 200 M&M's in a bowl and 20% are brown, 20%
are yellow, 25% are red, 15% are orange, and 10% are green, how
many blue M&M's are in the bowl?
Don't know?
WITH COMPLETE SOLUTIONS.
1 of 86
Term
How many different ways can 8 types of candy be displayed on a
grocery store shelf?
Give this one a try later!
30,240 35,280
50,400 40,320
, Don't know?
2 of 86
Term
Letter grade (A, B, C, D, F) is an example of
Give this one a try later!
An ordinal variable. A ratio variable.
An interval variable. A nominal variable.
Don't know?
3 of 86
Term
If a security firm assigns 5-digit pins to its employees, how
many different pins are there if the pins can contain any
number from 1-9? (Note that 0 is excluded.)
Give this one a try later!
50,000 40,000
, 59,049 65,000
Don't know?
4 of 86
Term
If the expected value of a diamond is $3,500, but the
observed value is $3,800, what is the residual?
Give this one a try later!
$300 $200
$500 $100
Don't know?
5 of 86
Term
Divide 8! by 8.
Give this one a try later!
6,048 7,200
, 5,040 4,032
Don't know?
6 of 86
Definition
27
Give this one a try later!
Using the test scores in the table below, what is the standard
deviation of the scores on the exam? (Round your answer to the
nearest whole number.)
96 92 91 90 87 86 86 83 82 77
Using the test scores in the table below, what is the variance of
the scores on the exam? (Round your answer to the nearest
whole number.)
96 92 91 90 87 86 86 83 82 77
A dance company has 10 dancers, from which 6 dancers will be
selected to perform together. How many possible 6-dancer
groups does the company have?
Standard M&M's come in six colors: brown, yellow, red, orange, green
and blue. If there are 200 M&M's in a bowl and 20% are brown, 20%
are yellow, 25% are red, 15% are orange, and 10% are green, how
many blue M&M's are in the bowl?
Don't know?
