Will this quiz count towards your final grade?

Question

BlackTom AI · Accepted Answer

Because the quiz is explicitly described as worth 5% of the course total, the option stating that fact is correct.

1) Relevant knowledge points and concepts
- Grade weighting: each assessment contributes a fixed percentage to the final course grade. Multiplying the assessment score (as a percentage) by its weight gives the points added to the final grade.
- Interpretation of the answer choices: pick the statement that accurately describes the quiz’s weight and practical implication (e.g., retaking to maximize points).

2) Step-by-step reasoning
- Read the choices and identify which one asserts that the quiz affects the final grade.
- The second option clearly states the quiz constitutes 5% of the final grade and recommends retaking to reach 100%. That matches the given authoritative information.
- The other choices either deny any weight or add unsupported conditions (taking it twice or smiling).

3) Calculations and intermediate steps
- Let S be the score on the quiz expressed as a percent (0–100).
- Contribution to final grade = weight × S = 0.05 × S.
- Example: If S = 80%, contribution = 0.05 × 80 = 4 percentage points toward the final grade.
- If retaken and S = 100%, contribution = 0.05 × 100 = 5 percentage points. The upside of retaking is an increase of up to 1 percentage point in the course total compared with an 80% result in the example.

4) Why the correct answer is correct
- The chosen option explicitly states the quiz’s weight (5%) and the practical consequence (retake to maximize the 5 points). This directly matches the authoritative answer provided.

5) Why the other options are incorrect
- "No": contradicts the stated weight; incorrect because the quiz does count.
- "Only if you take it twice": adds a condition not stated; weight applies regardless of number of attempts.
- "Only if you smile while answering": irrelevant and unsupported.

6) Conclusion
The correct answer is: Yes - it constitutes 5% of your final grade (so be sure to retake it and get 100%), which matches the provided answer.

Will this quiz count towards your final grade?单项选择题

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