1. Which component of a time series is most likely to occur? Which component has a pattern that must be complete in a single year and repeat from year to year?
2. If A and B are mutually exclusive events and the P(A) = .15 and the P(B) = .55, what is the P(event A or event B)?
3. Given the following data, calculate a 3 period moving average. 10, 18, 18, 20, 17, 32, 20, 31, 29.