The results of a mathematics placement exam at two different campuses of Mercy College follow: 
Given that the two population standard deviations are known, what is the p-value?
Definitions:
Rational Choice
The theory that individuals make decisions based on the maximization of their benefits and the minimization of their costs.
Subjective Costs
Costs perceived by individuals based on personal values, preferences, and circumstances, which can vary between persons.
Personal Interests
involve the hobbies, preferences, or passions of an individual, which can influence their choices and behavior.
Personal Costs
Expenses that directly affect an individual, often considered in decisions involving personal finance or effort.
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