In 2006, Part of the Sago Coal Mine in West

question 21

Multiple Choice

In 2006, part of the Sago coal mine in West Virginia collapsed, killing twelve men.Which of the following statements about this event is correct?

• A)This accident was an exception; mining is federally regulated and is therefore one of the safest occupations.
• B)The mine had a clean record with no violations; it was determined that the miners themselves had caused the explosion by not following proper practices.
• C)An explosion killed all of the men inside the mine instantly.
• D)Over a period of years, this mine had been cited for hundreds of safety violations.

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Definitions:

Even-numbered Roll

In probability, a term referring to the outcome of rolling a die where the result is an even number (e.g., 2, 4, or 6).

Perfectly Fair

A term typically used in the context of games or algorithms to describe a condition where all participants have an equal chance of winning or an outcome is unbiased.

10-sided Die

A polyhedral die with ten flat faces, typically used in board games, role-playing games, and probability exercises.

Six-sided Die

A common playing object used in games, featuring six faces numbered from 1 to 6.