Please explain C, I was able to understand and the rest but not C, please explain in details.
A study was conducted to determine who is more likely to offer windrowing (mowing and piling) of hay services, producers in State A or producers in State B. Of the 563
producers from State A, 184 were willing to offer windrowing services. Of the 940 producers from State B, 387 were willing to offer windrowing services. The researchers want to know if the proportion of producers who were willing to offer windrowing services differs for the two areas.