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Mathematics, 05.11.2020 16:20 randy719

Gabrielle owns a café. One weekend, she hands out an anonymous survey at random to her customers asking how satisfied they were with their service. Of the 35 respondents, 18 stated they were extremely satisfied. So, she infers that approximately 257 of her average weekend crowd of 500 are extremely satisfied with their experiences. Identify any bias that might affect the validity of the employee's mference. 22. ART Miguel chose a random sample of 32 paintings in the modern art section and found that 12 were watercolors. Thus, he infers that approximately 171 of the museum's 455 paintings are watercolors. Identify any bias that might affect the validity of the emplovee's inference.

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