A PriceWaterhouseCooper report estimates that the US video game market was approximately $8.6 billion in 2007 and is expected to increase at an annual rate of 6.3% through 2054
Who plays video games?
A PEW survey, conducted by the Princeton Survey Research International reports that over half of American adults aged 18 and over play video games. The PEW survey used a nationally representative sample of 2054 adults. Of the total, 1063 adults said that they played video games. Thus, the number of people who responded “yes” is X=1063 and sample size, n=2054)
What is the sample proportion of adults who play video game?
What is the Standard Error?
What is the confidence interval for 95% confidence?
We are 95% confident that between _________________________adults play video games.
What is the margin of error for 99% confidence?
What is the confidence interval for 99% confidence?
We are 99% confident that between _________________________adults play video games.