Your company has developed the first of a series of web ads. Yoursupervisor has decided to go ahead with development of further ads if a test run of the first ad on 1000 random visitors to CNN's homepage generates a click-through rate of more than 4%. Furthermore, the supervisor likes to feel statistically confident at the 95% level.

*Show your explanation/formula/work

1. What is your research question?
2. What is your null hypothesis?
3. What test statistic you would use to evaluate the null hypothesis.
4. What summary statistics are required.
5. What are the variables in your raw data set?
6. What are your decision criteria?