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Based on survey results, the proportion of U.S. adults who own at least one Apple product (iphone, ipad, macbook, etc) is 0.42. This point estimate

Based on survey results, the proportion of U.S. adults who own at least one Apple product (iphone, ipad, macbook, etc) is 0.42. This point estimate would be unbiased and most accurate if the survey were based on which of the following? A random sample of 1,000 U.S. adults A random sample of 1,800 U.S. adults A random sample of 2,500 U.S. college students An internet survey posted on TechGuru.com with 3,100 responses

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