1. You have been summoned for jury duty and decide at the outset of the trial that you will not vote to convict unless you are 99.9% sure of the defendant’s guilt. Which type of error does this decision minimize? What does this decision do to the probability that you will make the other type of error? If you reduce your certainty threshold to 75%, how have you altered the chances of making each error?
2. A friend of yours is excited about the results of an evaluation of a new rehabilitation program for adult prison inmates. She compared a sample of released prisoners who completed the program while they were incarcerated to a sample who did not, and she found that 21% of the treatment group was rearrested within one year of release, compared to 36% of the no- treatment group. She asserts that this is definitive proof that the program works. What should you tell your friend? Craft a response using the relevant concepts. If you plan to recommend a statistical test,