A Confidence Interval Was Used to Estimate the Proportion of Statistics

question 36

Multiple Choice

A confidence interval was used to estimate the proportion of statistics students who are female.A random sample of 72 statistics students generated the following 90% confidence interval: (0.438, 0.642) .Using the information above, what total size sample would be necessary if we wanted to estimate the true proportion to within using 95% confidence?

• A)105
• B)150
• C)420
• D)597

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Definitions:

Movement Inhibition

The suppression or delay of an action or movement, which can be a voluntary decision or a result of neurological mechanisms.

Putamen

A round structure located at the base of the forebrain and part of the basal ganglia, involved in motor control and learning.

Globus Pallidus

A subcortical structure located in the brain, involved in the regulation of voluntary movement by influencing the thalamus.

Nigrostriatal Dopamine System

A pathway in the brain involved in the control of movement; degeneration of this system is associated with Parkinson's disease.