هدي الاسئله احسس مهمه بس حليت بعضها بقي 1 و 2 و 4 و 7و 8 اللي تعرف حلهم ياريت تحطووا هنااااااااااا
(b) answer the following with true or false and correct the underlined part in the false ones
1. A physical model that does not have the same physical appearance as the object being modeled is a mathematical model.
2.. The point (3, 2) is feasible for the constraint 2x1 + 6x2 30.
3. Minimax regret methods for decision making best protects the decision maker from undesirable results? Fules >>>>consertive approach
4. The trend pattern is easy to identify by using a weighted moving average.
5. In an influence diagram, decision nodes are represented by triangles. Fulse (sqaire)
6. To study consumer characteristics, attitudes, and preferences, a company would engage in production planning. Fulse (marketing research
7. Using a naive forecasting method, the forecast for next week’s sales volume equals the most recent week’s sales volume.
8. A solution that satisfies all the constraints of a linear programming problem except the nonnegativity constraints is called optimal solution.