SCENARIO 2-5
the Following Are the Duration in Minutes of a Sample

question 154

Multiple Choice

SCENARIO 2-5
The following are the duration in minutes of a sample of long-distance phone calls made within the continental United States reported by one long-distance carrier. $$\begin{array} { l c } \text { Time(inMinutes) } & \begin{array} { c } \text { Relative } \\\text { Frequency }\end{array} \\\hline 0 \text { but less than } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\10 \text { but less than } 15 & 0.15 \\15 \text { but less than } 20 & 0.10 \\20 \text { but less than } 25 & 0.07 \\25 \text { but less than } 30 & 0.07 \\30 \text { or more } & 0.02\end{array}$$
-Referring to Scenario 2-5, if 100 calls were randomly sampled, how many calls lasted 15 minutes or longer?

• A)10
• B)14
• C)26
• D)74

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Definitions:

Classical Conditioning

An acquisition technique involving the frequent pairing of two stimuli; a response that initially derives from the second stimulus, in the end, derives from the first stimulus alone.

Drug Craving

An intense desire or urge for a specific drug, experienced after exposure to the drug or cues associated with the drug.

Operant Conditioning

A developmental technique that modifies behavior intensity by employing strategies of reinforcement or punishment.

B.F. Skinner

An influential psychologist best known for his work in behaviorism and the development of the theory of operant conditioning.