Question 4 (1 point) Make a plot that displays the proportion (not the ratio) of boys born over time. What do you see? Does Arbuthnot's observation about boys being born in

greater proportion than girls hold up in the U.S.? Include the plot in your response. To copy or save a graph from RStudio, click the Export button just above the preview of the graph. From there you can choose to Save Image or Copy to Clipboard.