A Researcher Wants to Estimate the Percent of the Population

question 48

Multiple Choice

A researcher wants to estimate the percent of the population that uses the internet to stay informed on world news issues.The researcher wants to estimate the population proportion with a 98% level of confidence. He estimates from previous studies that at least 65% of the population stay informed on world issues through the internet..He also wants the error to be no more than .03.The sample size should be at least _______.

• A) 41
• B) 313
• C) 1677
• D) 1373
• E) 1500

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Definitions:

Wilhelm Wundt

Recognized as the father of experimental psychology, he established the first psychology laboratory in Leipzig, Germany, in 1879, marking the formal beginning of psychology as a scientific discipline.

Structuralism

Wundt’s approach to discovering the basic elements, or structures, of mental processes.

Wilhelm Wundt

A German psychologist and philosopher, often considered the father of experimental psychology, who founded the first formal laboratory for psychological research.

Neuroscience

The scientific study of the structure, function, development, genetics, and biochemistry of the nervous system, emphasizing that the brain and nervous system are central to understanding behavior, thought, and emotion.