We Intend to Estimate the Average Driving Time of a Group

question 35

Multiple Choice

We intend to estimate the average driving time of a group of commuters. From a previous study, we believe that the average time is 42 minutes with a standard deviation of 12 minutes. We wantour 99 percent confidence interval to have a margin of error of no more than plus or minus 3 minutes. What is the smallest sample size that we should consider?

• A) 11
• B) 319
• C) 9
• D) 107

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Definitions:

Cognitive Neuroscience

The scientific field that is concerned with the study of the biological processes and aspects that underlie cognition, with a specific focus on the neural connections in the brain which are involved in mental processes.

Long-Term Interests

Enduring passions or enthusiasms in particular subjects or activities.

Short-Term Pleasures

Temporary gratifications that result in immediate joy or satisfaction.

Evolutionary Psychologists

Scientists who study the psychological adaptations of humans to the changing physical and social environment, focusing on how evolutionary principles explain human thoughts, feelings, and behaviors.