WGU C784 - Applied Healthcare Statistics Objective Assessment | OA | Questions and Answers | 2026 Update | 100% Correct.

WGU C784 - Applied Healthcare Statistics Objective Assessment | OA | Questions and
Answers | 2026 Update | 100% Correct.



1. Display x less than or equal to 4 using interval notation.

Answer:

(−∞,4](−∞,4]




2. How many 27ths are equal to 4/9?

Answer:

12/2712/27




3. Which number has the greater value: 0.1024 or 0.1123?

Answer:

0.11230.1123

Explanation: The hundredths place determines the greater value.

,4. What is the fractional equivalent of 0.003?

Answer:

3100010003




5. How are 5 cents represented in terms of dollars?

Answer:

$0.05$0.05




6. Display −1 ≤ x ≤ 3 using interval notation.

Answer:

[−1,3][−1,3]




7. Display −5 < x < −2 using interval notation.

Answer:

(−5,−2)(−5,−2)

,8. Display −5 < x ≤ −2 using interval notation.

Answer:

(−5,−2](−5,−2]




9. Display x > −2 using interval notation.

Answer:

(−2,∞)(−2,∞)




10. Display x ≤ 8 using interval notation.

Answer:

(−∞,8](−∞,8]




11. What is the chance of guessing all coin flips correctly when flipping a
coin multiple times?

Answer:

164641

, 12. What is a prime number?

Answer:
A positive integer with exactly two positive factors: 1 and itself.




13. What is a composite number?

Answer:
A number that has positive factors other than 1 and itself.




14. What does the Fundamental Theorem of Arithmetic state?

Answer:
Every composite number can be expressed as a product of prime numbers.




15. What is the formula for Body Surface Area (BSA) using pounds and
inches?

Answer:

BSA(m2)=Height (in)×Weight (lbs)3131BSA(m2)=3131Height (in)×Weight (lbs
)