WGU C784 – Applied Healthcare Statistics Pre-
Assessment (2025/2026 Latest Exam Prep) |
Complete Study Guide & Verified Q&A
Given the following set of numbers: 3.3, -2.3, -16, 25. What are the square roots of the
whole number?
A. +/- 2.3
B. +/- 3.3
C. +/- 4
D. +/- 5 - correct answerD. +/- 5
Given the following set of numbers: 10, 2.5, -4, -4.5, 5. What is the sum when adding
together only the whole numbers?
A. 5.5
B. 11
C. 12.5
D. 15 - correct answerD. 15
Given the following expression: 4 + 7 × (6 - 3)2. What is the answer using proper order
of operations?
A. 25
B. 46
C. 67
D. 99 - correct answerC. 67
Given the following expression: 5 x (30 - 27)2 + 4. What is the correct answer using the
proper order of operations?
A. 34
B. 49
C. 65
D. 81 - correct answerB. 49
What is the greatest common factor of 132 and the square root of 121 using prime
factorization?
A. 1
B. 2
C. 10
D. 11 - correct answerD. 11
What is the greatest common factor of 24 and 84 using prime factorization?
A. 2
B. 4
C. 8
,D. 12 - correct answerD. 12
What is 3/14 - 1/7?
A. 1/14
B. 2/7
C. 5/14
D. 3/2 - correct answerA. 1/14
What is 2/3 + 1/4?
A. 11/12
B. 3/12
C. 3/7
D. 8/3 - correct answerA. 11/12
A patient's protein intake for today has been 15.76g, 8.49g, and 22.58g. What is the
total protein intake rounded to the nearest tenth of a decimal?
A. 46.5g
B. 46.8g
C. 46.9g
D. 47g - correct answerB. 46.8g
Given the equation: (.5475 - .3025) x .15. What is the solution rounded to the nearest
thousandth?
A. .03675
B. .0368
C. .368
D. .037 - correct answerD. .037
An intravenous drip is infused at a rate of 4.5 milliliters per minute. How many milliliters
are infused per hour?
A. .075mL
B. 2.7mL
C. 75mL
D. 270mL - correct answerD. 270mL
A patient's medication was increased by 40 milligrams. What is the percent increase in
the medication if the original medication was 180 milligrams?
A. 2.2%
B. 4.5%
C. 22.2%
D. 45% - correct answerC. 22.2%
What is the Fahrenheit equivalent for a patient's room that needs to be kept at 25
degrees Celsius?
A. 70°
B. 75°
, C. 77°
D. 80° - correct answerC. 77°
What is the Celsius equivalent for a patient who is running a fever of 102 degrees
Fahrenheit?
A. 37.9°C
B. 38.9°C
C. 39.9°C
D. 40.9°C - correct answer38.9°C
What is the value of x in this equation? 2x + 3 = 13
A. 5
B. 10
C. 76
D. 106 - correct answerA. 5
Solve the following equation: x − 5/4 = 2/3. What is the value of x?
A. 3/12
B. 7/12
C. 10/12
D. 23/12 - correct answerD. 23/12
Question #21: Battery lifetime is normally distributed for large samples. The mean
lifetime is 500 days, and the standard deviation is 61 days. Which percent of batteries
have lifetimes longer than 561 days?
A. 16
B. 21
C. 26
D. 31 - correct answerA. 16
Question #22: Five hundred values are normally distributed with a mean of 125 and a
standard deviation of 10. Which percent of the values lies between the interval 115-
135?
A. 50
B. 68
C. 95
D. 99 - correct answerB. 68
Question #23: A pediatric unit wants to know what the median age is of its adolescent
population so they can focus on activities for these clients. The unit staff recorded the
ages of 12 adolescents over a three month period:
Age(s): Frequency(ies):
13 1
16 2
17 2
18 3
Assessment (2025/2026 Latest Exam Prep) |
Complete Study Guide & Verified Q&A
Given the following set of numbers: 3.3, -2.3, -16, 25. What are the square roots of the
whole number?
A. +/- 2.3
B. +/- 3.3
C. +/- 4
D. +/- 5 - correct answerD. +/- 5
Given the following set of numbers: 10, 2.5, -4, -4.5, 5. What is the sum when adding
together only the whole numbers?
A. 5.5
B. 11
C. 12.5
D. 15 - correct answerD. 15
Given the following expression: 4 + 7 × (6 - 3)2. What is the answer using proper order
of operations?
A. 25
B. 46
C. 67
D. 99 - correct answerC. 67
Given the following expression: 5 x (30 - 27)2 + 4. What is the correct answer using the
proper order of operations?
A. 34
B. 49
C. 65
D. 81 - correct answerB. 49
What is the greatest common factor of 132 and the square root of 121 using prime
factorization?
A. 1
B. 2
C. 10
D. 11 - correct answerD. 11
What is the greatest common factor of 24 and 84 using prime factorization?
A. 2
B. 4
C. 8
,D. 12 - correct answerD. 12
What is 3/14 - 1/7?
A. 1/14
B. 2/7
C. 5/14
D. 3/2 - correct answerA. 1/14
What is 2/3 + 1/4?
A. 11/12
B. 3/12
C. 3/7
D. 8/3 - correct answerA. 11/12
A patient's protein intake for today has been 15.76g, 8.49g, and 22.58g. What is the
total protein intake rounded to the nearest tenth of a decimal?
A. 46.5g
B. 46.8g
C. 46.9g
D. 47g - correct answerB. 46.8g
Given the equation: (.5475 - .3025) x .15. What is the solution rounded to the nearest
thousandth?
A. .03675
B. .0368
C. .368
D. .037 - correct answerD. .037
An intravenous drip is infused at a rate of 4.5 milliliters per minute. How many milliliters
are infused per hour?
A. .075mL
B. 2.7mL
C. 75mL
D. 270mL - correct answerD. 270mL
A patient's medication was increased by 40 milligrams. What is the percent increase in
the medication if the original medication was 180 milligrams?
A. 2.2%
B. 4.5%
C. 22.2%
D. 45% - correct answerC. 22.2%
What is the Fahrenheit equivalent for a patient's room that needs to be kept at 25
degrees Celsius?
A. 70°
B. 75°
, C. 77°
D. 80° - correct answerC. 77°
What is the Celsius equivalent for a patient who is running a fever of 102 degrees
Fahrenheit?
A. 37.9°C
B. 38.9°C
C. 39.9°C
D. 40.9°C - correct answer38.9°C
What is the value of x in this equation? 2x + 3 = 13
A. 5
B. 10
C. 76
D. 106 - correct answerA. 5
Solve the following equation: x − 5/4 = 2/3. What is the value of x?
A. 3/12
B. 7/12
C. 10/12
D. 23/12 - correct answerD. 23/12
Question #21: Battery lifetime is normally distributed for large samples. The mean
lifetime is 500 days, and the standard deviation is 61 days. Which percent of batteries
have lifetimes longer than 561 days?
A. 16
B. 21
C. 26
D. 31 - correct answerA. 16
Question #22: Five hundred values are normally distributed with a mean of 125 and a
standard deviation of 10. Which percent of the values lies between the interval 115-
135?
A. 50
B. 68
C. 95
D. 99 - correct answerB. 68
Question #23: A pediatric unit wants to know what the median age is of its adolescent
population so they can focus on activities for these clients. The unit staff recorded the
ages of 12 adolescents over a three month period:
Age(s): Frequency(ies):
13 1
16 2
17 2
18 3
