TABLE 4-3 A Survey Is Taken Among Customers of a Fast-Food Restaurant

question 122

Short Answer

TABLE 4-3
A survey is taken among customers of a fast-food restaurant to determine preference for hamburger or chicken. Of 200 respondents selected, 75 were children and 125 were adults. 120 preferred hamburger and 80 preferred chicken. 55 of the children preferred hamburger.
-Referring to Table 4-3, assume we know that a person prefers chicken. The probability that this individual is an adult is ________.

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Definitions:

Canada

A country in North America, known for its vast landscapes, multicultural communities, and bilingual (English and French) character.

Trains

Rail vehicles for the transportation of goods and passengers along railways.

Wilmot Proviso

An unsuccessful 1846 proposal in the United States aiming to ban slavery in territory acquired from Mexico.

Immigration Policy

The laws, regulations, and procedures established by a country to control the entry and stay of foreigners within its borders.