Use the following situation to answer Questions 1-4: The Gal…

Use the following situation to answer Questions 1-4: The Gallup organization conducted a telephone survey with a randomly selected national sample of 1005 adults, 18 years and older.  The survey asked the respondents, “How would you describe your own physical health at this time?”  Response categories were Excellent, Good, Fair, Poor, and No Opinion. What was the sample size for this survey?