Based on survey results, the proportion of U.S. adults who use the Internet on a daily basis is .37. This point estimate would be unbiased and most accurate if the survey was based on:
a random sample of 1,000 U.S. adults.
a random sample of 2,500 U.S. adults.
a random sample of 1,000 college students.
a random sample of 2,500 college students.
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