TABLE 4-8 According to the Record of the Registrar's Office at a at a State

question 84

Short Answer

TABLE 4-8
According to the record of the registrar's office at a state university, 35% of the students are freshman, 25% are sophomore, 16% are junior and the rest are senior. Among the freshmen, sophomores, juniors and seniors, the portion of students who live in the dormitory are, respectively, 80%, 60%, 30% and 20%.
-Referring to Table 4-8, what is the probability that a randomly selected student is a sophomore who does not live in a dormitory?

---

Definitions:

Social Security Tax

A tax levied on both employers and employees to fund the Social Security program, which provides benefits for retirees, disabled individuals, and survivors.

Average Tax Rate

The average tax rate is the proportion of total income paid in taxes, calculated by dividing the total tax amount by the taxpayer’s total income.

Marginal Tax Bracket

The tax rate that applies to the last dollar of the taxpayer's income, influencing incremental income earned or deductions.

Adam Smith

An 18th-century Scottish economist and philosopher, best known for his theories on free market economies and the concept of 'invisible hand' guiding supply and demand.