3
QuizMultiple Choice
Population Proportion
Question 3 • AZ-Common Core Algebra II B
Zarina wants to determine a confidence interval based on a random poll she conducted about the percent of attendees at a conference who are vegetarian. She determined the margin of error for her poll results using the equation below.E = 1.96
Answer
A
With 90% confidence, between 4% and 30% of the attendees are vegetarian.B
With 90% confidence, between 26% and 34% of the attendees are vegetarian.C
With 95% confidence, between 4% and 30% of the attendees are vegetarian.D
With 95% confidence, between 26% and 34% of the attendees are vegetarian.