Mileage Tests Were Conducted on a Randomly Selected Sample of 100

question 47

Multiple Choice

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

• A)50,000
• B)3,500
• C)500
• D)35

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Definitions:

Disruptive

Causing or tending to cause disruption; interrupting the normal course or unity of something, often leading to innovation or change.

Social Facilitation

The tendency for people to perform differently when in the presence of others than when alone, typically showing improved performance on simple tasks.

Compliance

The act of conforming to the wishes, demands, or regulations of others, often to fit in with a group or society.

Conformity

The act of matching attitudes, beliefs, and behaviors to group norms or societal standards.