Two Hundred People Were Asked If They Had Read a Book

question 90

Multiple Choice

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. Given that a respondent read a book in the last month, the probability that he or she is at least 30 years old is the closest to ________.

• A) 0.33
• B) 0.46
• C) 0.65
• D) 0.88

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Definitions:

Ticket Prices

The amount charged for admission to an event or access to a service.

Initial Value

The starting monetary or numerical value of an asset or investment before any gains, losses, or other changes.

Percent Change

A measure that denotes the degree of change over time, calculated by subtracting the original value from the new value, then dividing by the original value and multiplying by 100 to get a percentage.

Percent More

A relative increase from one value to another expressed as a percentage.