Who fought for control of the Holy Land during the Crusades? A the Goths and the Vandals B Jewish people and Muslim people in Jerusalem C the Vikings and the serfs in England D Christian Europeans and Muslim Turks

Arecent poll of 500 residents in a large town found that only 36% were in favor of a proposed referendum to build a new high school. find the margin of error for this poll if we want 95% confidence in our estimate of the percentage of residents in favor of this proposed referendum.