You are given the following information obtained from a random sample of 4 observations taken from a large, normally distributed population. 
Construct a 95% confidence interval for the mean of the population.
Definitions:
Attentional Blink
The phenomenon where a person cannot perceive a second target stimulus in a visual display if it occurs within 200-500 milliseconds after the first stimulus.
Attention Deficit Disorder
A neurodevelopmental disorder characterized by difficulty maintaining attention, impulsivity, and, in some cases, hyperactivity.
Prototypes
Original forms or first models of something from which other forms are copied or developed, or a typical example of a particular category.
Mental Space
A conceptual area in the mind where thoughts, feelings, and mental activities are processed.
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