Using a random sample of 4000 households, a media research company finds that 55.1% watched a particular episode of a popular situation comedy. a. Find the margin of error in this percent. b. Write a statement about the percentage of TV households in the population who watched the episode of the situation comedy.
◦ a. ± 1.6% b. There is a 99% probability that the true population percentage lies between 53.5% and 56.7% .
◦ a. ± 63.246% b. There is a 95% probability that the true population percentage lies between 53.5% and 56.7% .
◦ a. ± 1.6% b. There is a 95% probability that the true population percentage lies between 48.4% and 51.6% .
◦ a. ± 1.6% b. There is a 95% probability that the true population percentage lies between 53.5% and 56.7% .
Research Methods
Sample Program for Changing Daily Caloric Intake (cont.)
Research Design in Clinical Psychology
Topic Media
Discrete random variables- Probability Distribution Function
Operations Research