Instruction 2-5
the Following Are the Durations in Minutes of a Sample

question 122

Multiple Choice

Instruction 2-5
The following are the durations in minutes of a sample of long-distance phone calls made within Australia reported by one long-distance carrier.
$$\begin{array}{l}\begin{array} { l c } &\text { Relative }\\\text { Time (in Minutes) } & \text { Frequency } \\\hline 0 \text { but less than } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\10 \text { but less than } 15 & 0.15 \\15 \text { but less than 20 } & 0.10 \\\text { 20 but less than 25 } & 0.07 \\25 \text { but less than } 30 & 0.07 \\30 \text { or more } & 0.02\end{array}\end{array}$$
-Referring to Instruction 2-5,if 100 calls were sampled,________ of them would have lasted 20 minutes or more.

• A)26
• B)74
• C)16
• D)None of the above.

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