What Is the Approximate Width of an 80 Percent Confidence

question 45

Multiple Choice

What is the approximate width of an 80 percent confidence interval for the true population proportion if there are 12 successes in a sample of 80?

• A)± .078
• B)± .066
• C)± .051
• D)± .094

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Definitions:

Sherman Act

A landmark federal statute in the field of United States antitrust law passed by Congress in 1890 to prohibit monopolies and restrict business practices that reduce competition.

Convicted

The state of having been declared guilty of a criminal offense by the verdict of a court or jury.

Indirect Purchasers

Buyers who acquire a product or service through an intermediary or secondary market, rather than directly from the producer.

Antitrust Violations

Refers to illegal actions taken by companies to hurt competition, like fixing prices, monopolies, or illegal mergers.