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.
The 2 outside the brackets means that everything within the brackets needs to be multiplied by 2
None parallel means they are the same but are side by side, they don't touch or meet
145 blue paint are needed to make 28 pints of green paint
