Given the project data below, what is the standard deviation of durations for path A, B, C? 
Definitions:
U.S. Supreme Court
The highest federal court in the United States, with ultimate appellate jurisdiction over all U.S. federal and state court cases that involve a point of federal law.
Disaffirmance Laws
Legal provisions that allow minors to cancel or void certain contracts they have entered under specific circumstances, to protect them from exploitation.
Discouraging Adults
Measures or strategies aimed at dissuading adult behavior deemed negative or harmful.
Age Of Majority
The threshold of adulthood as recognized by law, typically 18 years old in many countries, marking the point at which a person is legally considered an adult.
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