What does a randomized poll need to be accurate? Answers A. a sample How have cell phones made it more difficult to collect random samples for polls? Answers A. Callers' names are displayed, so many people choose not to answer the calls. B. People are polled two times because everyone has a landline and a cell phone. C. Cell phones neatly represent local areas and don't account for different regions. D. Cell phones are not random because only people under age twenty have them. reflects the entire population B. a sample of respondents from a single city C. a sample of at least 1,000,000 respondents D. a survey conducted with only landline phones