Flying against the wind, an airplane travels 3750 kilometers in 5 hours. Flying with the wind, the same plane travels 6930 kilometers in 7 hours. What is the rate of the plane in still air, and what is the rate of the wind?

Identify the statement below as either descriptive or inferential statistics. upper a certain website sold an average of 117 books per day last week. is the statement an example of descriptive or inferential statistics? a. it is an example of descriptive statistics because it uses a sample to make a claim about a population. b. it is an example of inferential statistics because it uses a sample to make a claim about a population. c. it is an example of inferential statistics because it summarizes the information in a sample. d. it is an example of descriptive statistics because it summarizes the information in a sample.