a police officer claims that the proportion of drivers wearing a seat belt in a certain area is less than 40%. to test this claim, the officer collects a random sample of 80 drivers and monitors if the driver was wearing a seat belt. from this sample of 80 drivers, the police offers observes that 34 were wearing seat belts. assume the conditions needed to conduct a one sample proportion test are satisfied. what is the correct setup for the null and alternative hypothesis for this example?