In a Random Sample of 200 Republicans, 160 Opposed the New

question 104

Short Answer

In a random sample of 200 Republicans, 160 opposed the new tax laws. While in a sample of 120 Democrats, 84 opposed the new tax laws. Determine a 95% confidence interval estimate for the difference between the proportions of Republicans and Democrats opposed to this new law.

---

Definitions:

Marginal Tax Rate

The percentage of tax applied to your income for each additional dollar of income.

Average Tax Rate

The proportion of total income that is paid in taxes, calculated by dividing the total taxes paid by the total income.

Income

Cash inflow, regularly obtained, as compensation for work or earnings from invested capital.

Average Tax Rate

The average tax rate is the proportion of total taxable income paid in taxes, calculated by dividing the total tax paid by the total income.