A Local Microbrewery Believes It Produces the Best Tasting Dark

question 20

Multiple Choice

A local microbrewery believes it produces the best tasting dark beer in town. To make its case, seven volunteers are asked to participate in a beer tasting contest. Each volunteer is asked to taste 5 dark beers and to pick the one he/she prefers. Of the 5 dark beers, one is microbrewery's and the other 4 are national favorites. What is the probability that at least 5 of the volunteers pick the microbrewery's beer? Assume there is no taste preference for any of the beers and that chance alone determines each selection.

• A) 0.0000
• B) 0.0047
• C) 0.0129
• D) 0.0043

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Definitions:

Element S

Refers to Sulfur, a chemical element with the symbol S and atomic number 16, known for its bright yellow crystals.

Rock-forming Minerals

Rock-forming minerals are minerals that make up the majority of Earth's crust and are the basic building blocks of rocks, including quartz, feldspar, and mica among others.

Silicates

Minerals that contain silicon-oxygen tetrahedra; the most common mineral group on Earth.

Silicates

Minerals that contain silicon and oxygen, often with one or more metals, forming the majority of the Earth's crust.