A Group of College DJs Surveyed Students to Find Out

question 29

Multiple Choice

A group of college DJs surveyed students to find out what music to plan for their upcoming parties. Thirty percent of the students preferred dubstep, 25% of the students liked trance music, and 20% wanted to hear only house music. Fifteen percent of the respondents selected both dubstep and trance. The proportion of students that like neither trance music nor dubstep is:

• A)0%.
• B)20%.
• C)40%.
• D)60%.

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Definitions:

PVC

Polyvinyl chloride, a synthetic plastic polymer used in a wide array of products, including pipes, cables, and clothing.

Poly(Vinyl Chloride)

A synthetic plastic polymer commonly known as PVC, widely used in construction, pipes, and as insulation for electrical wires due to its durability.

Monomer

A small molecule that can bind chemically to other monomers to form a polymer.

Polyethylene

A polymer made from the polymerization of ethylene, used in a wide array of products, including plastic bags, films, and containers.