A Study Was Recently Done in Which the Brand Preference

question 78

Multiple Choice

A study was recently done in which the brand preference for breakfast cereal was analyzed against the gender of the shopper. The study consisted of 200 male shoppers and 300 female shoppers. Three different cereal brands were considered: A, B, and C. A total of 250 female shoppers preferred brand A, 25 female shoppers preferred brand C. The number of female shoppers that preferred brand B was:

• A) 25.
• B) 100.
• C) 75.
• D) 50.

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Definitions:

Arc

A luminous discharge of electricity through gas.

Voltage

The electric potential difference between two points, or the push that drives an electric current between those points.

Conduction

The transfer of heat or electricity through a substance, resulting from a difference in temperature or electrical potential.

Wilhelm Roentgen

The German physicist who discovered X-rays in 1895, an achievement for which he was awarded the first Nobel Prize in Physics in 1901.