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Get Certificate: Machine Learning with Artificial Intelligence
Question 1: True or False. Every state has a degree of usefulness or utility.
- True
- False
Question 2: _________ networks allow compact specification of joint probability distributions. Fill in the blank.
Answer: Bayesian
Question 3: What does the first stage of graph plan and planning graph construction attempt to achieve? Choose two.
- Reachability analysis on the given problem
- Delimiting the search space
- Increasing the search space
- Computability analysis on the given problem
Question 4: Bayes’ rule requires the following: Choose two.
- A bayesian network
- Two prior probabilities
- A conditional probability
- A utility probability
Question 5: Probability provides a way of summarizing the ____________ that comes from laziness and ignorance. Fill in the blank.
Answer: Uncertainty
Question 6: The probability of a disjunction is given as: Choose one.
- P(A) + P(B) – P(A Λ B)
- P(A V B) = P(A) + P(B) – P(A Λ B)
- P(A V B) = P(A) + P(B)
- P(A V B) = P(A) – P(B)
Question 7: ________ planner can solve Sussman anomaly. Fill in the blank.
Answer: interleaving
Question 8: _______ theory provides ways and means of weighing the desirability of goals and the likelihood of achieving them. Fill in the blank.
Answer: utility
Question 9: Plan spacing planning is also referred to as? Choose one.
- Action planning
- Nonlinear planning
- Goal-stack planning
- Linear planning
- Choose one answer.
Question 10: True or False. Propositions can also include equalities involving random variables.
- True
- False
Question 11: A planner that can represent plans in which some steps are ordered with respect to each other and other steps are unordered is called? Choose one.
- Total order plan
- Graph plan
- Partial order plan
- Linearized plan
Question 12: A continuous random variable that takes an _______ number of distinct values. Fill in the blank.
Answer: Infinite
Question 13: Casual chains give rise to? Choose one.
- Affirmative dependence
- Conditional dependence
- Conditional independence
- Affirmative independence
Question 14: Which of the following is true of ABSTRIPS? Choose three.
- It is a kind of hierarchical planner
- It is very efficient in solving large problems
- It greatly reduces search space
- It is used as a delimeter
Question 15: The set of all possible outcomes is referred to as? Choose one.
- Utility space
- Sample space
- Probabilistic space
- Empty space
Question 16: ___________ theory provides the basis for our treatment of systems that reason under uncertainty. Fill in the blank.
Answer: Probability
Question 17: In planning a graph, a pair of mutually exclusive propositions in the same layer is linked through the _______ edge. Fill in the blank.
Answer: Mutex
Question 18: Which of the following does not involve selecting an action whose pre conditions are met until a goal state is reached? Choose three.
- Graph based planning
- Plan space planning
- Regression planning
- Progression planning
Question 19: Which of the following are included in the basics of probability theory? Choose three.
- Utility rule
- Bayes’ rule
- Acting under uncertainty
- Rational decisions
Question 20: Which of the following does not hold for situation calculus? Choose three.
- Objects are universal
- Successor state axioms specify truth values of fluent in the current state
- Situations and actions are explicitly taken to the objects in the domain
- They are the only ways to represent beliefs about a changing world
Question 21: Which of the following theories constitute the decision theory? Choose two.
- Probability theory
- Bayesian theory
- Combination theory
- Utility theory
Question 22: First order logic used with complex domain like medical diagnosis fails for three main reasons: Choose three.
- Practical ignorance
- Arrogance
- Laziness
- Theoretical ignorance
Question 23: All probabilities fall between: Choose one answer.
- 100 and 1000
- 10 and 100
- 0 and 1
- 1 and 10
Question 24: Probability provides a way of summarizing the uncertainty that arises from? Choose two.
- Arrogance
- Laziness
- Poverty
- Ignorance
Question 25: Bayes rule can be used to do do which of the following when conditioned on one piece of evidence? Choose one.
- Answer probabilistic queries
- Solve queries
- Increase complexity of a query
- Decrease complexity of a query
Question 26: Planning and problem solving are different because of which of the following? Choose two.
- Equality in the representation of goals, states, and actions
- Differences in the representation of goals, states, and actions
- Differences in the representation and construction of action sequences
- Equality in the representation and construction of action sequences
Question 27: Which of the following statements are true about STRIPS? Choose three.
- Actions are effectively instantaneous
- Actions are not represented explicitly as part of the world model
- Actions are thought of as operators that syntactically transform world models
- Actions are randomly instantaneous
Question 28: If every undirected path from a node in X to a node in Y is separated by E, then given E, X and Y are? Choose one.
- Dependent
- Conditionally dependent
- Conditionally independent
- Independent
Question 29: __________ theory provides ways and means of weighing up the desirability of goals and the likelihood of achieving them. Fill in the blank.
Answer: utility
Question 30: Which of the following is true of a probability model associated with a numerical probability with each possible world? Choose two.
- Total probability of the set of all possible worlds is 100
- Total probability of the set of all possible worlds is 1
- Every possible world must have a probability between 0 and 100
- Every possible world must have a probability between 1 and 0
