Compute Conditional Probabilities
-A Study Was Recently Done That Emphasized $\frac { 119 } { 319 }$

question 231

Multiple Choice

Compute Conditional Probabilities
-A study was recently done that emphasized the problem we all face with drinking and driving. Four hundred accidents that occurred on a Saturday night were analyzed. Two items noted were the number of vehicles involved and whether alcohol played a role in the accident. The numbers are shown below. Given that an accident involved multiple vehicles, what what is the probability that it involved alcohol?

• A) \(\frac { 119 } { 319 }\)
• B) \(\frac { 119 } { 400 }\)
• C) \(\frac { 21 } { 46 }\)
• D) \(\frac { 21 } { 400 }\)

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Definitions:

Auscultating

The act of listening to sounds within the body, typically with a stethoscope, to diagnose medical conditions.

Inspiration

The process of drawing air into the lungs, a crucial part of the respiratory cycle.

Spinous Process

The bony projection off the posterior (back) of each vertebra, which muscles and ligaments attach to.

Vertebra Prominens

The most prominent vertebra, usually the seventh cervical vertebra, easily felt through the skin at the base of the neck.