How do you find the theoretical probability that a particular result will occur? Provide an example

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Which strategy is used by public health to reduce the incidence of food poisoning?

Which of the following are independent events? a) knowing that it is going to rain tomorrow, and bringing an umbrella to schoolb) knowing that you have to get up early tomorrow, and going to bed before 9 p.mc) knowing that it is going to rain tomorrow, and going to bed before 9 p.md) knowing that you have a test in school tomorrow, and studying thw night before