The Following Table Describes the Results of Roadworthiness Tests of Ford

question 51

Multiple Choice

The following table describes the results of roadworthiness tests of Ford Focus cars that are three years old (based on data from the Department of Transportation) . The random variable x Represents the number of cars that failed among six that were tested for roadworthiness:
$\begin{array} { | c | c | } \hline \boldsymbol { x } & \boldsymbol { P } ( \boldsymbol { x } ) \\\hline 0 & 0.377 \\\hline 1 & 0.399 \\\hline 2 & 0.176 \\\hline 3 & 0.041 \\\hline 4 & 0.005 \\\hline 5 & 0 + \\\hline 6 & 0 + \\\hline\end{array}$
Find the probability of getting three or more cars that fail among six cars tested.

• A) 0.005
• B) 0.046
• C) 0.048
• D) 0.222

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Definitions:

Sleeper Effect

A delayed increase in the persuasive impact of a message.

Peripheral-Route Influences

A concept in persuasion that suggests individuals may be influenced by incidental cues, like attractiveness or celebrity status, rather than by argument quality.

Message

A piece of communication or information conveyed from one person, group, or place to another.

Door-In-The-Face Technique

A persuasion strategy where a larger, unreasonable request is made first with the expectation of being refused, followed by a smaller, more realistic request.