1. A factory produces candies, and 21% are blue. In the factory, the candies are randomly mixed together and packaged with 29 per box. What is the probability that at least 3 candies in a giyen box are blue? {2 marks] 2. Elf the El grade12 students at a school, 26 are taking Physics. Suppose that 1? grade12 students are selected at random for a suryey. What is the probability that E of the selected students are taking Physics? [2 marks} 3. To determine the size of the geese population in a wilderness area, ED geese were caught and tagged for identication. A month later, 20 geese were captured and 5 of them had tags. Estimate the size of the geese population. {2 marks]