Use Technology to Solve the Following Problem: a Survey Reported

question 68

Multiple Choice

Use technology to solve the following problem: A survey reported that in a recent year, the mean serum cholesterol level in milligrams per deciliter for U.S. adults was 201 with a standard deviation
Of 41. A random sample of 114 adults was chosen. What is the probability that the mean Cholesterol level is between 198 and 203?

• A) 0.5208
• B) 0.4814
• C) 0.5186
• D) 0.6988

---

Definitions:

Heuristics

Mental shortcuts or rules of thumb that simplify decision making and problem-solving but do not guarantee optimal solutions.

Laboratory

A controlled setting equipped for scientific experiments, research, or teaching purposes.

Small Sample

A subgroup of a population selected for observation and analysis where the size of the group is considered statistically insufficient for conclusive results.

Misleading Results

Outcomes of experiments or studies that do not accurately reflect the true situation, often due to errors in design, methodology, or interpretation.