Mosquitos carry numerous tropical diseases. A public health agency wants to identify the extent of mosquito breeding areas (like standing water) within its community. Comment on the following approaches to determining the extent of breeding areas. (a) Send letters to residents asking them to report the presence of standing water on their property. (b) Ask a sample of doctors in the community to report patients with mosquito-related illnesses. (c) Send inspectors to check for breeding areas in a random sample of geographic blocks (defined by tax records). (a) Comment on sending letters. Choose the correct answer below. A. This sampling strategy is effective because residents know the area best. B. This sampling strategy is effective because residents are hypervigilant for mosquitos. C. This sampling strategy is ineffective because it uses voluntary response making the accuracy of the sample questionable. D. This sampling strategy is ineffective because it is a census, which is overly expensive and time consuming