Instruction 2 -Referring to Instruction 2

question 73

Multiple Choice

Instruction 2.4
The following are the durations in minutes of a sample of long-distance phone calls made within Australia reported by one long-distance carrier.
$$\begin{array} { | l | l | } \hline \text { Time (in Minutes) } & \text { Relative Frequency } \\\hline0 \text { but less than 5 } & 0.37 \\\hline 5 \text { but less than 10 } & 0.22 \\\hline \begin{array} { l } 10 \text { but less than } \\15\end{array} & 0.15 \\\hline \begin{array} { l } 15 \text { but less than } \\20\end{array} & 0.10 \\\hline \begin{array} { l } 20 \text { but less than } \\25\end{array} & 0.07 \\\hline \begin{array} { l } 25 \text { but less than } \\30\end{array} & 0.07 \\\hline 30 \text { or more } & 0.02 \\\hline\end{array}$$
-Referring to Instruction 2.4,if 100 calls were randomly sampled,how many calls lasted 15 minutes or longer?

• A) 74
• B) 14
• C) 10
• D) 26

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Definitions:

Perceptual Constancy

The brain's ability to perceive objects as unchanging despite variations in the viewing conditions like lighting, angle, or distance.

Closure

The psychological process of seeking resolution or conclusion to an unfinished or traumatic event or experience.

Proximity

The physical or psychological closeness between people, objects, or ideas, often influencing relationships and interactions.

Moon Illusion

The optical illusion where the Moon appears larger when it is close to the horizon than when it is high in the sky.