The Paralyzed Veterans of America is philanthropic organization which relies on contributions. To test new campaign, the organization recently sent letters to 100,000 potential donors and received 4800 donations. They've had contribution rate of 5% in past, but staff member worries that rate will be lower if they run campaign as currently designed.
(a) Define your parameter of interest.
(b) What are the hypotheses?
(c) Compute the test statistic.
(d) Compute the p-value.
(e) What is your conclusion?