The National Association of Realtors estimates that 23% of all homes purchased in a year were considered investment properties. assume a sample of 800 homes sold in a year is obtained A- what is the probability that less than 20% of homes are going to be used as investment property? B- What is the probability that at least 175 homes are going to be used as an invesment property? (Round P- hat to 3 decimal places) can you also show the steps with the TI 84 Plus CE.