Solve the Problem. -A Final Exam in Math 160 Has a Mean of a Mean

question 199

Multiple Choice

Solve the problem.
-A final exam in Math 160 has a mean of 73 with standard deviation 7.8. If 24 students are randomly selected, find the probability that the mean of their test scores is greater than 78.

• A) 0.0036
• B) 0.0103
• C) 0.0008
• D) 0.8962

---

Definitions:

Self-Actualizing Values

Values that prioritize personal growth, fulfillment, and achieving one's potential, reflecting the top of Maslow's hierarchy of needs.

Percentiles

A method of comparing raw scores to a norm group by calculating the percentage of people falling below an obtained score, with ranges from 1 to 99, and 50 being the mean.

Z-Scores

A standardized score that indicates the number of standard deviations a raw score is above or below the mean.

Raw Score Distribution

The unadjusted scores of all participants in a study or on a test, displayed in the form of a distribution to analyze general trends.