Classify the type of probability as logical, empirical, or judgmental.
1. Pr (China will win the most gold medals in the 2020 Olympics)
2. Pr (a person who smokes two packs of cigarettes each day has an increased risk of lung cancer)
3. Pr (obtaining a sum of 7 when rolling a pair of dice)
4. Pr (NASDAQ will increase by more than 10% in the next 12 months)?