The National Association of Realtors estimates that 23% of all homes purchased in 2004 were considered investment properties. If a sample of 800 homes sold in 2004 is obtained what is the probability that at least 175 homes are going to be used as investment property?
◦ 0.2236
◦ 0.5189
◦ 0.7764
◦ 0.4821