In 2017, the CDC administered the Youth Risk Behavior Survey (YRBS) to a random sample of 14,795 American middle and high school students. The survey asked the respondents whether they had ever been cyberbullied. 2219 people answered YES, and 12576 people answered NO. Calculate a 99% confidence interval for the proportion of the high school students who have been cyberbullied, and use these data to answer the following questions. What is the lower bound for this confidence interval?

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