TABLE 2- 5
the Following Are the Durations in Minutes

question 137

Multiple Choice

TABLE 2- 5
The following are the durations in minutes of a sample of long-distance phone calls made within the continental United States reported by one long-distance carrier.
$$\begin{array}{l}\begin{array} { l l } \hline&\text { Relative }\\\text { Time (inMinutes) }& \text { Frequency }\\\hline0 \text { but lessthan } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\\text { 10 but less than } 15 & 0.15 \\15 \text { but lessthan } 20 & 0.10 \\\text { 20 but less than } 25 & 0.07 \\25 \text { but lessthan } 30 & 0.07 \\30 \text { or more } & 0.02\\\hline \end{array}\end{array}$$
-Referring to Table 2-5, if 100 calls were sampled, ______of them would have lasted less than 5 minutes or at least 30 minutes or more.

• A) 39
• B) 35
• C) 37
• D) none of the above

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