Question: For Example, explain what the null hypothesis and the alternative hypothesis would be. Then write a sentence answering the probability question on which hypothesis testing is based for the example. The sentence should be of the form: "If [fill in null hypothesis] is true, then the likelihood that fill in event would have happened is fill in likelihood."
Example: Stop the Pain Before It Starts A headline on the CNN website on October 21, 1996, read, "Study: painkillers more effective before surgery than afterward." The article described a University of Pennsylvania research study that was done to test the theory that the most effective pain relief strategy is to stop the pain before it starts.