C. Records show that Barangay X has 10,000 voting residents. The Barangay officials intend to conduct a survey to get a general opinion about imposing a new sales tax. The Barangay officials projected that 4000 of the 10,000 residents are against the new sales tax. Fifteen eligible voters were randomly selected and asked whether they favor or not the new Barangay Tax Ordinance. What is the probability that at most 7 favor the new tax? D. An annexation suit is being considered against a country subdivision of 1200 residences by a neighboring city. If the occupants of half the residences object to being annexed, what is the probability that in random sample of 10 at least 3 favor the annexation suit?

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