A USA Today/CNN/Gallop poll for the 2012 presidential campaign sampled n = 540 p

Question

A USA Today/CNN/Gallop poll for the 2012 presidential campaign sampled n = 540 potential voters in June. A primary purpose of the poll was to obtain an estimate of the proportion of potential voters who favor each candidate. Assume a planning value for the population proportion of 0.50 and a 95% confidence level. 17 Using the planning value 0.50, what was the "expected" margin of error for the June poll?
a 0.048







b 0.042







c 0.038







d 0.034

















As the November election gets closer, better precision and smaller margins of error are desired. Assume the following margin of error is requested for the survey to be conducted during the presidential campaign. Compute the recommended sample size for the survey.   18 Requested margin of error = 0.02.





a 1816







b 2178







c 2401







d 2661

















19 A recent survey conducted by PC Magazine, asked 1680 young tech elite (average age 22) A USA Today/CNN/Gallop poll for the 2012 presidential campaign sampled n = 540 potential voters in June. A primary purpose of the poll was to obtain an estimate of the proportion of potential voters who favor each candidate. Assume a planning value for the population proportion of 0.50 and a 95% confidence level. 17 Using the planning value 0.50, what was the "expected" margin of error for the June poll?
a 0.048







b 0.042







c 0.038







d 0.034

















As the November election gets closer, better precision and smaller margins of error are desired. Assume the following margin of error is requested for the survey to be conducted during the presidential campaign. Compute the recommended sample size for the survey.   18 Requested margin of error = 0.02.





a 1816







b 2178







c 2401







d 2661

















19 A recent survey conducted by PC Magazine, asked 1680 young tech elite (average age 22)

Explanation / Answer

(17) 0.042

(18) 1816

(19) 0.032

(20) 525

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.