Mileage Tests Were Conducted on a Randomly Selected Sample of 100

question 46

Multiple Choice

Mileage tests were conducted on a randomly selected sample of 100 newly developed automobile tires. The results showed that the mean tread life was 50,000 miles,with a standard deviation of 3,500 miles. What is the best estimate of the mean tread life in miles for the entire population of these tires?

• A)50,000
• B)3,500
• C)500
• D)35

---

Definitions:

Silence

The absence of vocal communication, which can be a strategic response, a form of non-verbal feedback, or a result of suppression.

Filtering

The process of reducing information load by screening, selecting, and summarizing data.

Communication Process

The sequence of steps through which information is transmitted and received, involving a sender, message, medium, receiver, and feedback mechanism.

Negative Information

Information that depicts an adverse situation or highlights disadvantages, potentially influencing decisions or perceptions negatively.