For each of the statements, state the null and alternative hypotheses

9. The average age of taxi drivers in New York City is 36.3years.
10. The average IQ of disc jockeys is greater than 117.3.
11. The average income of nurses is $36,250.
12. The average number of calories of brand A’s low-calorie meals is at most 300.
13. The average weight loss of people who use brand A’s low calorie meals for six weeks is at least 3.6 pounds.
14. The average pulse rate of female joggers is less than 72 beats per minute.
15. The average electric bill for residents of Moorhead exceeds$152.98 per month.