TABLE 2- 5
the Following Are the Durations in Minutes

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.
$$\begin{array} { l l } \hline&\text { Relative}\\\text { Time (in Minutes) }& \text { Frequency } \\\hline\text { 0 but less than } 5 & 0.37 \\5 \text { but less than 10 } & 0.22 \\10 \text { but less than 15 } & 0.15 \\15 \text { but less than 20 } & 0.10 \\\text { 20 but less than 25 } & 0.07 \\25 \text { but less than } 30 & 0.07 \\\text { 30 or more } & 0.02 \\\hline\end{array}$$
-Referring to Table 2-5, if 100 calls were randomly sampled, _____of them would have lasted at least 15 minutes but less than 20 minutes.

A) 0.10
B) 0.16
C) 16
D) 10