Matrix a below gives the fraction of the earth's area and the projected fraction of its population for five continents in 2050. matrix b gives the earth's area (square miles) and its projected 2050 population.

Twenty-five percent of the customers entering a grocery store between 5 p.m. and 7 p.m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

What does the relationship between the mean and median reveal about the shape of the data

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3