explanation

profileete08
hw.doc

Unit 1 : Week 1 - Self Check 1

أعلى النموذج

1. What is the total project time by using the PERT method? 

(Points : 1)

      image1.wmf 11       image2.wmf 22       image3.wmf 33       image4.wmf 32       image5.wmf 35

2. Which answer is a critical path of the following figure by using the PERT method? image6 (Points : 1)

      image7.wmf A-B-D-F-G       image8.wmf D-A-B-G-F       image9.wmf A-C-E-F-G       image10.wmf F-B-D-A-G       image11.wmf A-F-G-B-D

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)

      image12.wmf 11       image13.wmf 24       image14.wmf 36       image15.wmf 48       image16.wmf None of the above

4. Which answer is a critical path of the scenario in question 3 by using the PERT method?  (Points : 1)

      image17.wmf A-C-G       image18.wmf A-D-F-G       image19.wmf A-D-E-G       image20.wmf A-B-E-G       image21.wmf None of the above

5. What is 3!? (Points : 1)

      image22.wmf 2       image23.wmf 3       image24.wmf 4       image25.wmf 5       image26.wmf 6

6. What is P(3,3)? (Points : 1)

      image27.wmf 3       image28.wmf 6       image29.wmf 9       image30.wmf 12       image31.wmf None of the above

7. What is image32? (Points : 1)

      image33.wmf 25.2       image34.wmf 31.3       image35.wmf 49.3       image36.wmf 28.5       image37.wmf None of the above

8. What is image38? (Points : 1)

      image39.wmf 56       image40.wmf 336       image41.wmf 8       image42.wmf 1680       image43.wmf None of the above

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)

      image44.wmf 733,110       image45.wmf 362,880       image46.wmf 1,240       image47.wmf 2,048       image48.wmf None of the above

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)

      image49.wmf 720       image50.wmf 120       image51.wmf 240       image52.wmf 360       image53.wmf None of the above

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)

      image54.wmf 144       image55.wmf 288       image56.wmf 366       image57.wmf 422       image58.wmf None of the above

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)

      image59.wmf 20       image60.wmf 30       image61.wmf 40       image62.wmf 60       image63.wmf None of the above

13. The permutations of the letters A, B, and C are: (Points : 1)

      image64.wmf A, B, C       image65.wmf AB, BC, CA       image66.wmf AAA, BBB, CCC       image67.wmf ABC, ACB, BAC, BCA, CAB, CBA       image68.wmf None of the above

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)

      image69.wmf 1440       image70.wmf 48       image71.wmf 72       image72.wmf 36       image73.wmf none of the above

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)

      image74.wmf 240       image75.wmf 30       image76.wmf 120       image77.wmf 60       image78.wmf None of the above

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: image79. You must show the detailed, step-by-step, simplification and justification, as in the example shown in the weekly Supplement. (Points : 4)

3. (Similar to Exercise 2.1 Question 22 on page 47) Use Theorems 2.1 and 2.2 to simplify expression: image80. You must show the detailed, step-by-step, simplification and justification, as in the example shown in the weekly Supplement. (Points : 4)

_1431838950.unknown

_1431838966.unknown

_1431838974.unknown

_1431838978.unknown

_1431838980.unknown

_1431838981.unknown

_1431838979.unknown

_1431838976.unknown

_1431838977.unknown

_1431838975.unknown

_1431838970.unknown

_1431838972.unknown

_1431838973.unknown

_1431838971.unknown

_1431838968.unknown

_1431838969.unknown

_1431838967.unknown

_1431838958.unknown

_1431838962.unknown

_1431838964.unknown

_1431838965.unknown

_1431838963.unknown

_1431838960.unknown

_1431838961.unknown

_1431838959.unknown

_1431838954.unknown

_1431838956.unknown

_1431838957.unknown

_1431838955.unknown

_1431838952.unknown

_1431838953.unknown

_1431838951.unknown

_1431838933.unknown

_1431838941.unknown

_1431838945.unknown

_1431838947.unknown

_1431838949.unknown

_1431838946.unknown

_1431838943.unknown

_1431838944.unknown

_1431838942.unknown

_1431838937.unknown

_1431838939.unknown

_1431838940.unknown

_1431838938.unknown

_1431838935.unknown

_1431838936.unknown

_1431838934.unknown

_1431838925.unknown

_1431838929.unknown

_1431838931.unknown

_1431838932.unknown

_1431838930.unknown

_1431838927.unknown

_1431838928.unknown

_1431838926.unknown

_1431838917.unknown

_1431838921.unknown

_1431838923.unknown

_1431838924.unknown

_1431838922.unknown

_1431838919.unknown

_1431838920.unknown

_1431838918.unknown

_1431838913.unknown

_1431838915.unknown

_1431838916.unknown

_1431838914.unknown

_1431838911.unknown

_1431838912.unknown

_1431838909.unknown

_1431838910.unknown

_1431838907.unknown

_1431838908.unknown

_1431838906.unknown