Clara is a reporter of a local newspaper. For her new article she wants to find out the average percent of people in her city who prefer to shop online. For this purpose she had chosen several points in different areas of the city and questioned passers-by in these points. What would be the most convenient form for presenting the final results of the conducted survey in order to be sure that this information has minimum risk to be incorrect?
A) .Clara should use the confidence level of 90%.
B) .Clara should use the standard confidence level.
C) .Clara should use the confidence level of 95%.
D) .Clara should show only the value of the sample proportion.
E) .Clara should use the confidence level of 99%.

Question

Clara is a reporter of a local newspaper. For her new article she wants to find out the average percent of people in her city who prefer to shop online. For this purpose she had chosen several points in different areas of the city and questioned passers-by in these points. What would be the most convenient form for presenting the final results of the conducted survey in order to be sure that this information has minimum risk to be incorrect?
A) .Clara should use the confidence level of 90%. 
B) .Clara should use the standard confidence level. 
C) .Clara should use the confidence level of 95%. 
D) .Clara should show only the value of the sample proportion. 
E) .Clara should use the confidence level of 99%.

Quizplus · Accepted Answer

The Answer of Clara is a reporter of a local newspaper. For her new article she wants to find out the average percent of people in her city who prefer to shop online. For this purpose she had chosen several points in different areas of the city and questioned passers-by in these points. What would be the most convenient form for presenting the final results of the conducted survey in order to be sure that this information has minimum risk to be incorrect?
A) .Clara should use the confidence level of 90%. 
B) .Clara should use the standard confidence level. 
C) .Clara should use the confidence level of 95%. 
D) .Clara should show only the value of the sample proportion. 
E) .Clara should use the confidence level of 99%.

Clara Is a Reporter of a Local Newspaper