All three please

6) The decision tree uses the minimax algorithm. What will be the expected value in the root node? 7) You play cards with your friend. An Al agent helps you play. What are the characteristics of the environment the agent perceives: A) deterministic b)stochastic, c)partially observable, d)fully observable, e)discrete. f) continuous). 8) Walmart states that shoplifting in New Year sales go up 3\%. They are acquiring an AI system that sets off the alarm and calls security in 87% of cases of shoplifting. You are asked to estimate the probability that their Al system will call up security today