1) You and a friend are talking about the probability of getting a heads on a single toss of a fair coin. Your friend insists that you are more likely to get a heads on a single toss of a fair coin than a tails. Is your friend correct, why or why not? If we were to toss the fair coin an infinite number of times, what would we expect?
2) What does it mean for two probabilities to be mutually exclusive? Provide an example of probabilities that are mutually exclusive.
3) What is a Type I error and a Type II error? When is a Type I error committed? How might you avoid committing a Type I error?
4) When do you use a one-tailed test? When do you use a two-tailed test? How is SPSS used to perform the calculations needed for each?