Question: A Pew Research study regarding cell phones asked questions about cell phone experience. One growing concern is unsolicited advertising in the form of text messages. Pew asked cell phone owners, "Have you ever received unsolicited text messages on your cell phone from advertisers?" and 17% reported that they had. Pew estimates a 95% confidence interval to be or between 13% and 21%. Are the following statements about people who have cell phones correct? Explain.
In Pew's sample, somewhere between 13% and 21% of respondents reported that they had received unsolicited advertising text messages.