Which of the following is an example of a discrete random variable? {Ans: Number of children in a family}Which of the following is an example of nominal data? Zip code IQ score (100, 110, 120, 130) Speed of a car Course grade (A+, A, B+, B, C+, C) {Ans: Zip code}You started a project on 9/29/2019. The project ended on 08/01/2022. How many working days did you have for the entire project? {Ans: 741}Which of the following is not among the top 10 skills required for jobs in the 21st century? {Ans: Good GPA}Which one of the following is not a characteristic of good problem statements: structured to allow sufficient scope for creativity address decision-maker's values Activities and intermediate outputs specific and measurable where possible {Ans: Activities and intermediate outputs}In the case of pacific salmon, which of the following logic tree helped us to see the big levers that affect the abundance of salmon in Pacific Ocean? {Ans: Component Tree These diagrams are helpful in beginning to understand a problem, when limited knowledge and information is available. That is what we did for the case: Pacific Salmon.}