Page 1 of 17
19 August 2026
Math 120 Midterm 2026/2027 Test Exam 70
comprehensive questions | FREQUENTLY MOST TESTED
QUESTIONS AND VERIFIED SOLUTIONS/GET IT 100%
ACCURATE!! 2026!!
A soft-drink bottling company fills and ships soda in plastic bottles with a target volume of
354 milliliters. The filling machinery does not deliver a perfectly consistent volume of
liquid to each bottle, and the three quartiles for the fill volume are Q1 = 346, Q2 = 353,
and Q3 = 357.
Find the IQR.
A) 11
B) 4
C) 16.5
D) 13.2 - correct answer-A
Compute the correlation coefficient.
x345678
y 91 93 102 123 130 122
A) 0.092
B) 0.825
C) 65.067
D) 0.908 - correct answer-A
Compute the least-squares regression line for the given data set.
x345678
y 11.8 15.5 15.3 19 22.4
25
A) y = 2.6400x + 3.9610
B) y = 3.9610x + 2.5829
C) y = 2.6400x + 11.8
D) y = 2.5829x + 3.9610 - correct answer-D
, Page 2 of 17
19 August 2026
One of the primary feeds for beef cattle is corn. The following table presents the average
price in dollars for a bushel of corn and a pound of ribeye steak for 10 consecutive
months.
Corn Price ($/bu) Ribeye Price ($/lb)
5.88 12.51
6.53 13.44
6.63 14.16
5.86 12.37
5.74 12.05
5.91 11.98
The least-squares regression line for predicting the ribeye price from the corn price is y =
0.3591 + 2.1522x.
Predict the ribeye price in a month when the corn price was $6.42 per bushel .
A) $14.84 per lb
B) $12.79 per lb
C) $13.46 per lb
D) $13.82 per lb - correct answer-D
A 12-sided die can be made from a geometric solid called a dodecahedron.
Assume that a fair dodecahedron is rolled.
The sample space is {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}.
Find P(Less than 3).
A) 1/4
B) 2/3
C) 1/6
D) 1/12 - correct answer-D
According to a survey, 81% of teenagers could recognize a picture of legendary film star
John Wayne. What is the probability that a randomly-selected teenager could recognize
John Wayne?
A) 0.19
, Page 3 of 17
19 August 2026
B) 0.81
C) 0.01
D) 0.23 - correct answer-C
A section of an exam contains two multiple-choice questions, each with three answer choices (listed
"A", "B", and "C"). List all the outcomes of the sample space.
A) {AA, AB, AC, BB, BC, CC}
B) {A, B, C}
C) {AA, AB, AC, BA, BB, BC, CA, CB, CC}
D) {AB, AC, BA, BC, CA, CB} - correct answer-B
A survey asked respondents to indicate their level of satisfaction with government
spending. The results are shown below.
Response Number
Very satisfied 608
Somewhat satisfied 3053
Dissatisfied 5303
Total 8964
Assume this is a simple random sample from a population. Use the Empirical Method to
estimate the probability that a person is dissatisfied with government's spending?
A) 0.635
B) 0.408
C) 0.33
D) 0.592 - correct answer-C
For this year's mayoral election, voter dissatisfaction is very high. In a survey of 700 likely
voters, 231 said they planned to write in an independent candidate rather than vote for
the Democrat or Republican candidate for mayor.
What is the probability that a surveyed voter plans to write in an independent candidate?
A) 0.67
B) 0.7
C) 0.231
19 August 2026
Math 120 Midterm 2026/2027 Test Exam 70
comprehensive questions | FREQUENTLY MOST TESTED
QUESTIONS AND VERIFIED SOLUTIONS/GET IT 100%
ACCURATE!! 2026!!
A soft-drink bottling company fills and ships soda in plastic bottles with a target volume of
354 milliliters. The filling machinery does not deliver a perfectly consistent volume of
liquid to each bottle, and the three quartiles for the fill volume are Q1 = 346, Q2 = 353,
and Q3 = 357.
Find the IQR.
A) 11
B) 4
C) 16.5
D) 13.2 - correct answer-A
Compute the correlation coefficient.
x345678
y 91 93 102 123 130 122
A) 0.092
B) 0.825
C) 65.067
D) 0.908 - correct answer-A
Compute the least-squares regression line for the given data set.
x345678
y 11.8 15.5 15.3 19 22.4
25
A) y = 2.6400x + 3.9610
B) y = 3.9610x + 2.5829
C) y = 2.6400x + 11.8
D) y = 2.5829x + 3.9610 - correct answer-D
, Page 2 of 17
19 August 2026
One of the primary feeds for beef cattle is corn. The following table presents the average
price in dollars for a bushel of corn and a pound of ribeye steak for 10 consecutive
months.
Corn Price ($/bu) Ribeye Price ($/lb)
5.88 12.51
6.53 13.44
6.63 14.16
5.86 12.37
5.74 12.05
5.91 11.98
The least-squares regression line for predicting the ribeye price from the corn price is y =
0.3591 + 2.1522x.
Predict the ribeye price in a month when the corn price was $6.42 per bushel .
A) $14.84 per lb
B) $12.79 per lb
C) $13.46 per lb
D) $13.82 per lb - correct answer-D
A 12-sided die can be made from a geometric solid called a dodecahedron.
Assume that a fair dodecahedron is rolled.
The sample space is {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}.
Find P(Less than 3).
A) 1/4
B) 2/3
C) 1/6
D) 1/12 - correct answer-D
According to a survey, 81% of teenagers could recognize a picture of legendary film star
John Wayne. What is the probability that a randomly-selected teenager could recognize
John Wayne?
A) 0.19
, Page 3 of 17
19 August 2026
B) 0.81
C) 0.01
D) 0.23 - correct answer-C
A section of an exam contains two multiple-choice questions, each with three answer choices (listed
"A", "B", and "C"). List all the outcomes of the sample space.
A) {AA, AB, AC, BB, BC, CC}
B) {A, B, C}
C) {AA, AB, AC, BA, BB, BC, CA, CB, CC}
D) {AB, AC, BA, BC, CA, CB} - correct answer-B
A survey asked respondents to indicate their level of satisfaction with government
spending. The results are shown below.
Response Number
Very satisfied 608
Somewhat satisfied 3053
Dissatisfied 5303
Total 8964
Assume this is a simple random sample from a population. Use the Empirical Method to
estimate the probability that a person is dissatisfied with government's spending?
A) 0.635
B) 0.408
C) 0.33
D) 0.592 - correct answer-C
For this year's mayoral election, voter dissatisfaction is very high. In a survey of 700 likely
voters, 231 said they planned to write in an independent candidate rather than vote for
the Democrat or Republican candidate for mayor.
What is the probability that a surveyed voter plans to write in an independent candidate?
A) 0.67
B) 0.7
C) 0.231
