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It is estimated that the average person in the United States uses 123 gallons of water per day.Some environmentalists believe this figure is too high and conduct a survey of 40 randomly selected Americans.They find a mean of 113.03 gallons and a population standard deviation of 25.99 gallons.Calculate the appropriate test statistic to test the hypotheses.
Crack Cocaine
A highly addictive form of cocaine that has been processed to create a rock crystal, smoked for rapid, intense effects.
Polymers
Large molecules composed of repeating structural units (monomers), which exhibit a wide range of physical and chemical properties, making them useful in countless applications.
High Stability
A characteristic of compounds or atomic nuclei that are not easily transformed into different species or isotopes, often due to low energy levels.
Landfills
Designated areas where waste is isolated from the environment until it is safe to be integrated with the natural environment.
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