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The basic difference between PERT and CPM is that

The basic difference between PERT and CPM is that Correct Answer Guessed times are used in PERT and evaluated times in CPM

CPM which is a method to control costs and time. PERT deals with unpredictable activities, but CPM deals with predictable activities.
PERT is used where the nature of the job is non-repetitive.
In contrast to, CPM involves the job of repetitive nature.

Related Questions

Consider the following statements in respect of PERT and CPM: 1. PERT is event-oriented while CPM is activity-oriented. 2. PERT is probabilistic while CPM is deterministic. 3. Levelling and smoothing are the techniques related to resource scheduling in CPM. Which of the statements given above are correct?
Consider the following statements.
1. In PERT, it is assumed that the activity times follow the beta distribution.
2. In CPM, two time and cost estimates are made for each activity, which are called the optimistic and pessimistic estimates.
3. Time is the only variable used in PERT.
4. While in PERT the emphasise is on event, in CPM the emphasise is on activity.
একটি প্রাচীন সভ্যতার নিদর্শন খুঁজতে গিয়ে একটি কাঠের পুতুল পাওয়া গেল। কাঠ নির্মিত পুতুলটির তেজস্ক্রিয়তা মান পরীক্ষা করে 15 Cpm/gm পাওয়া গেল। পুতুলের কাঠটির নতুন অবস্থায় তেজস্ক্রিয়তামান 25 CPm/gm হয়, তবে প্রাচীন সভ্যতার বয়স হবে ?
PERT and CPM are:
PERT and CPM are
What is the additional time available for the performance of an activity in PERT and CPM calculated on the basis that all activities will start at their earliest start time, called?
Why are CPM, GERT, and PERT not considered sufficient to create a project schedule?
Activity durations in PERT and CPM are decided on the following consideration
Consider the following statements.
1. A transport problem is said to be a balanced problem if the number of origins and destination is equal.
2. Dual theory of simplex method of LP can be used to solve a game theory problem.
3. CPM is often referred to as time cost trade off.
4. Time is not the only variable in PERT.
5. In a single channel queueing models, μ = λ, infinitequeue will build up.
Arrange the given words in the sequence in which they occur in the dictionary. 1. Basic industry 2. Basic pay 3. Basic rate 4. Basic plumage 5. Basic price