high-speed internet laying fiber-optic cable for high-speed internet is an expensive process. cable companies want to make sure that, if they extend their lines out to less dense suburban or rural areas, there will be sufficient demand and the work will be cost-effective. in the rural town of podunk*, the local cable company decides to conduct a survey to determine the proportion of households in a local subdivision that would buy their internet service. the subdivision has 24 blocks, and each block has exactly 10 households, for a total of 240 households.