A Random Sample of 25 Rats Was Fed a Diet

question 68

Multiple Choice

A random sample of 25 rats was fed a diet for a period of 4 weeks. The weight gain (in grams) was recorded for each rat. It is known that the population variance is 4. The average weight gain was 16.1.
The P-value for testing the claim that this diet would increase weight by at least 15 grams would be

• A) 0.005
• B) 0.003
• C) 0.014
• D) 0.135

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Definitions:

Common Area

A space within a building or property that is available for use by all tenants or occupants, such as lobbies, hallways, and shared facilities.

Joint Tenants

Two or more persons who own property where the right of any deceased owner is automatically transferred to other surviving owners.

Levy

The act of legally seizing property to satisfy a debt or fulfill a judgment, often conducted by a governmental authority.

Tenant in Common

A tenant in common is an individual who co-owns property with one or more persons, where each owner possesses an undivided interest and no right of survivorship exists among the owners.