Lab #17-Hypothesis, p-values, and alpha levels For problems 1-4, write the null and alternative hypotheses you would use to test each. A governor is concerned about his "negatives"-the percentage of...

Hi I am having difficulty answering Number 2 and 4. Thank you.

Extracted text: Lab #17-Hypothesis, p-values, and alpha levels For problems 1-4, write the null and alternative hypotheses you would use to test each. A governor is concerned about his "negatives"-the percentage of state residents who express disapproval of his job performance. His political committee pays for a series of TV ads, hoping that they can keep the negatives below 30%. They will use follow-up polling to assess the ads, effectiveness 1. Ho: Ha: 2. Is a coin fair? Ho: Ha: Only about 20% of people who try to quit smoking succeed. Sellers of a motivational tape claim that listening to the recorded messages can help people quit. 3. Ho: Ha: In the 1950s only about 40% of high school graduates went on to college. Has the percentage changed? 4. Ho: Ha: