1. What are the three types of probability? Provide an example for each one.
2. Based on the video and the three types of probability, what type of probability did John Snow use? Briefly explain the reasoning.
3. Provide the answer to the following probability questions using the data provided in the table.
   1. What is the probability of selecting a girl, P(girl)?
   2. What is the probability of selecting a boy who is 9 years old, P(9 year old boy)?
   3. What is the probability of selecting a child (boy or girl) who is at least 7 years old, P(child at least 7 years old)?

After completing the initial post, respond to classmates in a respectful way. When replying to classmates, discuss:

1. What similarities and differences were found among the answer and that of colleagues in regards to the probability that John Snow used?
2. What format was presented in the calculated probabilities in #3? For this question, were the answers presented as probabilities as a proportion, decimal, or percentage? Discuss which format is preferred and why.