In polling for a population of 500,000 or greater, how many people are needed for 95 percent confidence with less than 5 percent error margin?

Why is freedom of speech so important?

A) It empowers the public. B) It allows x-rated movies. C) It prevents censorship of music. D) It allows us to speak in public.

Which of these is a visual-auditory nonverbal code?

a. proxemics b. paralanguage c. haptics d. chronemics