A researcher is hired by a company that manufactures solar roof panels to study attitudes toward solar power. The researcher asks the company's customers their opinion of using alternative energy such as solar energy, and finds that 95% of the customers are in favor of using solar power. This study

Question

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The study is biased because it only surveys the company's customers, who are likely to have a favorable view of solar power given that they have already chosen to purchase solar roof panels. This does not provide a representative sample of the general population's attitudes toward solar power.

A Researcher Is Hired by a Company That Manufactures Solar