1. X is a normally distributed random variable with a mean of 8 and a standard deviation of 4. The probability that X is between 1.48 and 15.56 isa. 0.0222b. 0.4190c. 0.5222d. 0.91902. A population has a mean of 80 and a standard deviation of 7. A sample of 49 observations will be taken. The probability that the sample mean will be larger than 82 isa. 0.5228b. 0.9772c. 0.4772d. 0.02283. The activities within the scope of production planning, exclude...... a. Supply planningb. Aggregate production planningc. Master production planningd. Material requirement planninge. Capacity planning4. MRP is a computational technique that convert the.................... for end products into a detailed scedule for the raw materials and components used in the end products. (c)a. Supply Planningb. Aggregate Planc. MPSd. MRPe. Capacity Plan5. There are several material handling principals below, except:a. Planningb. Standardization c. Automation d. Documentation e. Environmental 6. In ARC normalization table, what is the value of O grade?a. 0.2b. 0.6 c. 0.8 d. 0 e. 0.47. There are several elements in simulation perspective, except:a. Entity b. Activity c. Sourced. Control e. Cost

8. Process to assess the reflection accuracy of real system, is the meaning of: a. Verificationb. Prediction c. Validation d. Optimizatione. Automation

9. .. are those who use the product in unusual ways or who have special needs. (c)a. Lead usersb. Usersc. Extreme usersd. Customerse. Suppliers

10. The physical elements of a product are typically organized into several major physical building blocks are. (b)a. Product architectureb. Chunksc. Slot Modular architectured. Bus Modular architecturee. Integral architecture11. Here is the example of influence diagram:

Whats customer order pattern belong to?a. Controllable inputb. Result c. Componentd. Boundary e. Uncontrollable input

12. There are several elements which is identified when modelling a system, except:a. Decision maker b. Location of systemc. Makers objectived. Performance measuree. Control input13. The most important value of logistics activity is?a. Place and time utility b. Place and cost utilityc. Time and cost utilityd. Posesion utilitye. Form and time utility14. This is characteristic of leverages supplier, except?a. Sufficient availabilityb. Substitution is posibblec. High specificationd. High valuee. Difficult substitution 15. The probability that the system will operate satisfactorily at any point in time when used under states condition is definition of?a. Reliabilityb. Availabilityc. Maintainabilityd. Equipment effectivenesse. Total productive maintenance16. The probability od successfully performing and completing a specified maintenance action within a rescribed period of time, with a specified manpower,skill,test equipment,manual and facilities is definition of?a. Reliabilityb. Availabilityc. Maintainabilityd. Equipment effectivenesse. Total productive maintenance17. Observations of tensile strength with several hardwood concentration show in table below

mean square of error of this observations is?a. 6.51 b. 6.32c. 7.42d. 7.23e. 6.21

18. Ten measurements of impact energy (J) on specimens of A238 steel cut at 60C are as follows: 64.1, 64.7, 64.5, 64.6, 64.5,64.3, 64.6, 64.8, 64.2, and 64.3. Assume that impact energy is normally distributed with standar deviation 1 j . Confidence interval for with alpha 0.05 is ?a. 63.84 < < 65.08b. 64.5< < 65.5c. 66.22<