\newcommand{\pa}{\mbox{\phantom{.5}}}
\item Complete the following table for the tossing of an unbiased coin.\vspace*{9pt}\\
\begin{tabular}{rcrrccc}
\hspace*{20pt}&\multicolumn{2}{c}{\rule[-1.6ex]{0cm}{2ex}\sl \hspace*{32pt}Number of heads\hspace*{-45pt}}&\hspace*{20pt}&\multicolumn{2}{c}{\sl \hspace*{32pt}Percent of heads\hspace*{-25pt}}\\
{\sl Number of}&&\multicolumn{1}{c}{\sl Expected}&&&{\sl Expected}\\
\multicolumn{1}{c}{\raisebox{5pt}{\sl tosses}}&&\raisebox{5pt}{\sl \hspace*{-17pt}value\hspace*{17pt}}&\multicolumn{1}{r}{\raisebox{5pt}{\sl SE}}&&\raisebox{5pt}{\sl value}&\multicolumn{1}{c}{\raisebox{5pt}{\sl SE\hspace*{5pt}}}\\ \hline
%\rule[2.5pt]{54pt}{.4pt}&\multicolumn{2}{c}{\rule[2.5pt]{80pt}{.4pt}}&\multicolumn{2}{c}{\rule[2.5pt]{80pt}{.4pt}}\\
\rule{0cm}{3.4ex}25 && \hspace*{-17pt}12.5\hspace*{17pt} & 2.5&& 50\%&\hspace*{3pt}10\%\hspace*{3pt}\pa\\
100 &&&&&&5\%\pa\\
400\\
1,600\\
\end{tabular}
