here, α=1-0.94=0.06
so, α/2 = 0.03
Z value at 0.03 = 1.881 (excel formula =NORMSINV( 0.03 ) )
so,Zα/2 = 1.88
Es provided results from a poll of 1500 aduhts who were asked to identity their aoe,...
A magazine provided results from a poll of 1500 adults who were asked to identify their favorite pie. Among the 1500 respondents, 11% chose chocolate pie, and the margin of error was given as +5 percentage points. What values do p,q, n, E, and p represent? If the confidence level is 95%, what is the value of a? The value of is the sample proportion. The value of is found from evaluating 1-D. The value of n is the sample...
A magazine provided results from a poll of 1000 adults who were asked to identify their favorite pie. Among the 1000 respondents, 12% chose chocolate pie, and the margin of error was given as 4 percentage points. What values do p, q, n, E, and p represent? If the confidence level is 95%, what is the value of a? The value of p is the sample proportion The value of G is found from evaluating 1-P The value of n...
7.1.3 Question Help A magazine provided results from a poll of 500 adults who were asked to identify their favorite pie. Among the 500 respondents, 12% chose chocolate pio, and the margin of error was given as + 3 percentage points. What values do p, n, E. and p represent? If the confidence level is 99%, what is the value of a? The value of pis The value of is The value of n is The value of Eis The...
A magazine provided results from a poll of 2000 adults who were asked to identify their favorite pie. Among the 2000 respondents, 1 1% chose chocolate pie, and the margin of error was given as ± 5 percentage points. What values do p, q, n, E, and p represent? If the confidence level is 95%, what is the value of α? The value of p is The value of q is The value of n is the population proportion. found...
A magazine provided results from a poll of 1000 adults who were asked to identify their favorite pie. Among the 1000 respondents, 12% chose chocolate pie, and the margin of error was given as ±4 percentage points. Describe what is meant by the statement that "the margin of error was given as +4 percentage points." Choose the correct answer below. 0 A. The statement indicates that the true population percentage of people that prefer chocolate pie is in the interval...
A magazine provided results from a poll of 2000 adults who were asked to identify their favorite pie. Among the 2000 respondents, 14% chose chocolate pie, and the margin of error was given as 14 percentage points. Describe what is meant by the statement that "the margin of error was given as 14 percentage points." Choose the correct answer below. А O A. The statement indicates that the interval 14% 14% is likely to contain the true population percentage of...
match each answer choice
A magazine provided its from a pol 500 sults who were asked to identify the favorite pie. Among the 500 responderis, 12. chose chocolate pie, and the margin of error was given as 15 percentage ports What values dont and present the confidence level is 90%. What is the value of 2 The value of Dis The value os The value os The von of Es The value of the concleris 30%, what is the value...
A magazine provided results from a poll of 1000 adults who were asked to identify their favorite pie. Among the1000 respondents, 13% chose chocolate pie, and the margin of error was given as ±5 percentage points. Given specific sample data, which confidence interval is wider: the 90% confidence interval or the 80% confidence interval? Why is it wider? Group of answer choices A. An 80% confidence interval must be wider than a 90% confidence interval in order to be more...
A research institute poll asked respondents if they felt vulnerable to identity theft In the poll, n 1079 and x 572 who said "yes". Use a 99% confidence level.
A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n= 1049 and X=550 who said yes. Use a 90% confidence level