Mechanical Engineering - Industrial Engineering and Production Management - Discussion

Discussion Forum : Industrial Engineering and Production Management - Section 2 (Q.No. 6)
6.
A PERT network has three activities on critical path with mean time 3, 8 and 6 and standard deviations 1, 2 and 2 respectively. The probability that the project will be completed in 20 days is
0.50
0.66
0.84
0.95
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
27 comments Page 3 of 3.

Jayesh Chavda said:   9 years ago
Which Z table? @Chigumbura.

Sushant Bhalla said:   9 years ago
Check the table @Jerrin.

Jerrin said:   9 years ago
Then how it become 84%?

Shahid Shafi said:   3 years ago
Here, 20-17/5 = 0.66.

Nerellakarthik said:   8 years ago
What is Z table?

Axiss said:   1 decade ago
3+8+6/20 = 0.84.

Dishant said:   8 years ago
Why 1*1?


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