Answer:

Step-by-step explanation:
The formula of a volume of a cylinder:

r - radius
H - height
We have r = 3in and H = 9in. Substitue:

Answer:
most is 160 hope I helped
a. The population for the study is a total of 1000 adults, so the 50% that favored the plan made up a total of 500 people, since 500 is 1/2 (or 50%) of 1000.
b. The percentage provided is an inferential statistic. Inferential statistics are made by taking a sample of a population and using that sample as data used to make inferences/predictions. Since the percentage provided is a sample of a population being used to make a prediction, it is an inferential statistic.