8.27 Violent video games. A survey of 1050 parents who have a child under the age of 18 living at home asked about their opinions regarding violent video games. A report describing the results of the survey stated that 89% of parents say that violence in today’s video games is a problem.10

  1. (a) What number of survey respondents reported that they thought that violence in today’s video games is a problem? You will need to round your answer. Why?

  2. (b) Find a 95% confidence interval for the proportion of parents who think that violence in today’s video games is a problem.

  3. (c) Convert the estimate and your confidence interval to percents.

  4. (d) Discuss reasons why the estimate might be biased.