explanation
Unit 1 : Week 1 - Self Check 1
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1. What is the total project time by using the PERT method?
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2. Which answer is a critical path of the following figure by using the PERT method? 3. Given the following Task-Timing table, what is the total project time by using the PERT method? Task Time Preceding Tasks A 5 None B 2 A C 3 B D 6 A E 1 B, D F 9 B, D G 4 C, E, F (Points : 1) 4. Which answer is a critical path of the scenario in question 3 by using the PERT method? (Points : 1) 5. What is 3!? (Points : 1) 6. What is P(3,3)? (Points : 1)
7. What is
8. What is 9. A baseball manager has decided who his 9 starting hitters are to be, but not the order in which they will bat. How many possibilities are there? (Points : 1) 10. A music company executive must decide the order in which to present 6 selections on a compact disk. How many choices does she have? (Points : 1) 11. A man has 5 sport coats, 4 pairs of slacks, 6 shirts, and 1 tie. How many combinations of these can he wear, if he must wear at least slacks and a shirt? (Points : 1) 12. A busy summer resort motel has 5 empty rooms and 3 travelers who want rooms. In how many ways can the motel manager assign a room of his or her own to each guest? (Points : 1) 13. The permutations of the letters A, B, and C are: (Points : 1) 14. A tennis coach must pick her top 3 varsity and top 3 junior varsity players in order from among 5 varsity and 4 junior varsity players. In how many ways is this possible? (Points : 1) 15. 5 actresses have auditioned for the parts of the 3 daughters of King Lear: Goneril, Regan, and Cordelia. In how many ways can the roles be filled? (Points : 1) Home work 1. (Similar to Exercise 1.1 Question 10 on page 9) Given the following table, make a PERT diagram, and determine the project time and the critical path. Provide a justification on how you obtain your project time and critical path. Task Time Preceding Tasks A 2 None B 3 A C 4 A D 5 B E 6 B, C F 3 C G 3 D, E, F
2. (Similar to Exercise 2.1 Question 18 on page 47) Use Theorems 2.1 and 2.2 to simplify expression:
3. (Similar to Exercise 2.1 Question 22 on page 47) Use Theorems 2.1 and 2.2 to simplify expression:
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