If Findings from a Random Sample of 1,500 People Have

question 64

Multiple Choice

If findings from a random sample of 1,500 people have a 95 percent chance of accurately reflecting the views of the whole population within 3 percentage points, what percentage of the overall population would favor changing voting day from Tuesday to Sunday if the poll found that 57 percent of those polled favored the change?

• A) 54 percent
• B) 57 percent
• C) 60 percent
• D) 54 to 60 percent
• E) 57 to 60 percent

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Definitions:

Hypothesis Test

A statistical method that uses sample data to evaluate a hypothesis about a population parameter.

Operating Characteristic Curve

The operating characteristic curve is a graphical representation used in quality control to depict the probability of accepting a lot given its level of quality or defect rate.

Type II Error

The error that occurs when a false null hypothesis is not rejected, also known as a "false negative" finding.

Population Mean

The average value of a property of the members of a population, which is a comprehensive collection of individuals or objects studied.