What concept does this painting illustrate?

The arizona department of transportation wishes to survey state residents to determine what proportion of the population would like to increase statewide highway speed to 75 from 65 mph. at least how many residents do they need to survey if they want to be at least 99% confident that the sample proportion is within 0.09 of the true proportion?

What did populists set their sights on after achieving some success on a local level in the late 1800s?

Hurricane katrina is arguably an effect : a. an increase of living creatures and crowded habitats b. environmentalism c. global climate change d. unforseen factors