(10 points) In a Gallup Poll conducted in October 2010, 44% of the people polled answered "more strict" to the following question: "Do you feel that the laws covering the sale of firearms should be made more strict, less strict, or kept as they are now?" Suppose the margin of error in the poll was 3.5% and the estimate was made with 90% confidence. At least how many people were surveyed? Please show your full work.