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:

Contemplation Stage

A phase in the Transtheoretical Model of Behavioral Change where individuals are aware of the need for change but are hesitant to make a commitment.

Preparation Stage

A phase in the process of change where an individual plans and intends to take action towards a goal in the near future.

Maintenance Stage

In behavior change models, this is the phase where an individual has sustained a change and works to prevent relapse.

Nutritious Food

Food that provides the necessary nutrients to support health and well-being.