A Researcher Conducted a Study of the Access Speed of 30

question 59

Multiple Choice

A researcher conducted a study of the access speed of 30 hard drives and concluded that his maximum error of estimate was 20. If he were to conduct a second study to reduce the maximum error of estimate to
4, about how many hard drives should he include in his new sample?

• A) 30
• B) 60
• C) 150
• D) 750

---

Definitions:

Buyer's Remorse

A feeling of regret experienced after making a purchase, often stemming from a sense of doubt about whether the decision was the right one.

Purchased Phone

The act of buying a telephone, which could be a mobile or stationary device, for personal or professional use.

Competitive Leverage

The strategic use of advantages or capabilities—such as cost structure, market position, or technological innovation—to outperform competitors in a given market.

Motive

A need or want that is strong enough to cause the person to seek satisfaction.