An architecture firm has been contracted to remodel a city's courthouse. The firm has a proposal and wants to gauge the opinion of the 475,000 people who live in the city on the design. The firm mails a survey to a random sample of 260 people who live in the city. The survey shows a picture of the firm's proposed design and asks this question. Do you like or dislike our proposed design for remodeling the city's courthouse? From the sample, the firm received 10 responses. Of the responses,70% said they liked the design. (a)Identify and describe the most prominent source of bias in the firm's study.

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