Use the fоllоwing situаtiоn to аnswer Questions 1-4: The Current, UMSL's student newspаper, plans to do a story on the impact that the University has on the local community. The newspaper staff selects 150 local businesses at random out of the 1,246 total businesses in the local community and sends them a survey asking, "How important are UMSL student patrons in maintaining your business?" Response categories were Extremely, Moderately, Somewhat, Not Very, and No Opinion. Of the 150 surveys sent out, 80 surveys were returned and had their answers compiled by the staff. What was the sample size used when considering the results of this survey?