Mathematics, 28.05.2020 20:07 dustinchang49

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

Based on Zarina’s work, what can be concluded?

With 90% confidence, between 4% and 30% of the attendees are vegetarian.
With 90% confidence, between 26% and 34% of the attendees are vegetarian.
With 95% confidence, between 4% and 30% of the attendees are vegetarian.
With 95% confidence, between 26% and 34% of the attendees are vegetarian.

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