Which of the Following Statements Is Correct

question 56

Multiple Choice

Which of the following statements is correct?

• A) About 25 percent of the U.S. population earns an income below the poverty line.
• B) About 50 percent of blacks earn an income below the poverty line.
• C) Since 1980 the fraction of persons below the poverty level has risen sharply.
• D) None of these.

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Definitions:

Probability

The quantification of an event's chances of occurring, given as a number from 0 to 1.

Region of Rejection

The part of the sample space where, if test statistics fall, the null hypothesis is rejected in favor of the alternative hypothesis in hypothesis testing.

Acceptance

The act of agreeing that something is satisfactory or adequate, often referring to the acceptance of hypotheses or theories based on evidence.

Statistic Probability

The likelihood of an event occurring based on the analysis of a set of predefined numerical data.