A Class of Expected Value Bilevel Programming Problems with Random Coefficients Based on Rough Approximation and Its Application to a Production-Inventory System

Table 1

Parameters of the random demand 𝐷_𝑖.

𝜆𝑖	Item 1	Item 2	Item 3	Item 4	Item 5
𝜇𝑖	50	70	100	40	60
𝜎^2𝑖	4	6	9	2	4