Arecent survey suggests that 85% of adults know what twitter is. how many adults should you survey in order to be 90% confident that your estimate is within 5% of the true population proportion?

In a sample of 200 residents of georgetown county, 120 reported they believed the county real estate taxes were too high. develop a 95 percent confidence interval for the proportion of residents who believe the tax rate is too high. (round your answers to 3 decimal places.) confidence interval for the proportion of residents is up to . would it be reasonable to conclude that the majority of the taxpayers feel that the taxes are too high?

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?

A50-foot ladder is leaning against a vertical wall. if the base of the ladder is 45 feet from the base of the wall, find the angle the bottling of the ladder makes with the ground.