Question 13.71 In PERT, we assume that

13.71 In PERT, we assume that

(a) the times to complete individual activities are known with certainty.

(b) all activities are carried out by staff from our own organization.

(c) the total cost of a project is independent of the time to complete the project.

(d) the total time to complete all activities on the critical path is described by a normal distribution.

(e) none of the above

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13.72 The two common techniques for drawing PERT networks are _______________.

(a) NOA and NRA

(b) AON and AOA

(c) GANTT and NOA

(d) ONA and OAO

(e) CAN and CAA

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13.73 In PERT analysis, the probability of the optimistic time occurring should be on the order of _____.

(a) 1/2

(b) 1/3

(c) 1/6

(d) 1/10

(e) 1/100

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13.74 The expected time in PERT is

(a) greater than the most likely time.

(b) equal to the most likely time.

(c) less than the most likely time.

(d) any of the above

(e) none of the above

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13.75 Given an activity’s optimistic, most likely, and pessimistic time estimates of 3, 7, and 11 days respectively, compute the expected time for this activity.

(a) 5

(b) 6

(c) 7

(d) 12

(e) none of the above

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13.76 Given an activity’s optimistic, most likely, and pessimistic time estimates of 3, 5, and 13 days respectively, compute the expected time for this activity.

(a) 3

(b) 4

(c) 5

(d) 6

(e) none of the above

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