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It Is Known That College Students at a Local Community

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It is known that college students at a local community college study 12 hours per week with a standard deviation of 5 hours.What is the expected value and variance for a sample of nine students?


Definitions:

Premises Rule

A legal principle that holds property owners and occupiers liable for injuries that occur on their property, under certain conditions.

Business Trip

A journey taken for work or professional reasons, often involving travel outside the usual workplace.

Performing Job

The act of carrying out the duties, tasks, and responsibilities associated with a specific role or employment.

COBRA

A federal law (Consolidated Omnibus Budget Reconciliation Act) that allows employees and their families to retain health insurance coverage after losing their job or experiencing a reduction in work hours.

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