A real estate agent has 4 homes for sale: A, B, C, and D. Here are the listing prices.Home A: $150,000Home B: $250,000Home C: $190,000Home D: $550,000Here is a graph of the distribution of these 4 home listing prices.The agent wants to randomly select 2 of the 4 homes to show in an open house this coming weekend. This means the agent may show homes A and B, A and C, A and D, B and C, B and D, or C and D. Here is a graph of the distribution of the sample mean listing prices for these 6 samples.The agent places the letters A, B, C, and D on individual slips of paper, puts them in a hat, and mixes well. He then selects two slips of paper without replacement. He selects homes A and B. Here is a graph of the distribution of listing prices for this sample.