Construct the Requested Histogram

Construct the requested histogram.
-The table below shows the number of days off in a given year for 30 police detectives. $\begin{array}{l} \begin{array} { r | c | c } \text { Days off } & \text { Frequency } & \text { Relative frequency } \\ \hline \text { 0-under 2 } & 10 & 0.333 \\ \text { 2-under 4 } & 1 & 0.033 \\ \text { 4-under 6 } & 1 & 0.233 \\ \text { 6-under 8 } & 7 & 0.233 \\ \text { 8-under 10 } & 1 & 0.033 \\ \text { 10-under 12 } & 4 & 0.133 \end{array}\\\\ \text { Construct a relative-frequency histogram. } \end{array}$