Using proper symbols, write the null and alternate hypothesis for each scenario below. Use mu for / and p for p. Use "NOT EQUAL TO" for * or the proper inequality sign as needed. a. A mayor is concerned about the percentage of city residents who express disapproval of his job performance. His political committee pays for a newspaper ad, hoping it will keep the disapproval rating below 52%. They will use a follow-up poll to assess the ad's effectiveness. Ho : H1 : b. A pharmaceutical company wants to answer the question whether it takes more than 30 seconds for a drug in pill form to dissolve in the gastric juices of the stomach. A sample was acquired from patients taking the given drug in pill form, and times for the pills to be dissolved were measured. Ho : H1 : c. An entomologist writes an article in a scientific journal which claims that 72% of male fireflies are unable to produce light due to a genetic mutation. Ho