According to Data from the Environmental Protection Agency, the Average

question 98

Multiple Choice

According to data from the Environmental Protection Agency, the average daily water consumption for a household of four people in the United States is approximately at least 243 gallons. (Source: http://www.catskillcenter.org/programs/csp/H20/Lesson3/house3.htm) Suppose a state agency plans to test this claim using an alpha level equal to 0.05 and a random sample of 100 households with four people. Calculate the probability of committing a Type II error if the true population mean is 230 gallons. Assume that the population standard deviation is known to be 40 gallons.

• A) 0.0331
• B) 0.0712
• C) 0.0537
• D) 0.1412

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Definitions:

Biodegradable Materials

Substances that can decompose or break down naturally by microbial action, often used to reduce environmental impact.

Marketers

Professionals or organizations involved in promoting, selling, and distributing a product or service to consumers, including market research and advertising.

Profitable

Having a financial gain or beneficial outcome, especially after all expenses have been deducted.

Market Segments

Distinct groups of consumers within a market who share similar needs, desires, and characteristics, allowing for targeted marketing strategies.