Can someone plis help me

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

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?

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20