Identify the cumulative frequency distribution that corresponds to the given frequency

\begin{array}{r|c}\text { Speed } & \begin{array}{l}\text { Number } \\\text { of Cars }\end{array} \\\hline 0-29 & 4 \\30-59 & 16 \\60-89 & 60 \\90-119 & 20\end{array}

\begin{array}{r|c}\text { Speed } & \begin{array}{c}\text { Cumulative } \\\text { Frequency }\end{array} \\\hline \text { Less than } 30 & 4 \\\text { Less than } 60 & 20 \\\text { Less than 90 } & 80 \\\text { Less than 120 } & 100\end{array}

\begin{array}{r|c}\text { Speed } & \begin{array}{c}\text { Cumulative } \\\text { Frequency }\end{array} \\\hline \text { Less than } 30 & 0.04 \\\text { Less than } 60 & 0.20 \\\text { Less than } 90 & 0.80 \\\text { Less than } 120 & 1.00\end{array}

\begin{array}{r|c}\text { Speed } & \begin{array}{c}\text { Cumulative } \\\text { Frequency }\end{array} \\\hline 0-29 & 4 \\30-59 & 20 \\60-89 & 80 \\90-119 & 100\end{array}

\begin{array}{r|c} & \begin{array}{c}\text { Cumulative } \\\text { Speed }\end{array} \\\hline \text { Frequency } \\\hline \text { Less than } 30 & 100 \\\text { Less than 60 } & 80 \\\text { Less than 90 } & 82 \\\text { Less than } 120 & 4\end{array}

Analysis of the Data from 25 Mothers Indicates That an Infant's

Multiple Choice