05 Decision making under risk

Question 1

What does an arrow into a value node mean?

Answer 1

It means “Funtional”
the outcome before at the root is required for determining the objective at the head
Profit: only what is necessary to actually calculate

Question 2

What does an arrow into a decision node mean?

Answer 2

It means “sequence”
The outcome of the node at the root will be realized before the decision at the head is made

Question 3

What does an arrow into an uncertainty node mean?

Answer 3

It means “relevance/dependence”
the outcome of the node at the root affects the probability distribution of the uncertainty at the head

Question 4

What arrow reflects stochastic dependence?

Answer 4

An arrow between two uncertainty nodes reflects stochastic dependence