Exhibit 4-1

question 66

Multiple Choice

Exhibit 4-1.Two hundred people were asked if they had read a book in the last month.The accompanying contingency table,cross-classified by age,is produced. Refer to Exhibit 4-1.Given that a respondent read a book in the last month,the probability that he/she is at least 30 years old is closest to ________.

• A)0.33
• B)0.46
• C)0.65
• D)0.88

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Definitions:

Net Income

Net Income is the total profit of a company after all expenses have been deducted from revenues.

Effective Tax Rate

The average rate at which an individual or a corporation is taxed, calculated by dividing the total tax by the taxable income.

Tax Expense

The total amount of taxes owed by an individual or corporation as a result of taxable activities or income during a fiscal year.

Income Before Taxes

The total revenue of a company minus all expenses except for income tax expenses.