![SOLUTION
MEAN (µ) = (a+b+4m/6) = 8+0+4+7=19
CPM = A,D,G,I
VARIANCE ( σ²)= [(b-a) /6]²= 0.44+0+0.11+0=0.55
STANDARDIZE (Z)= X-µ/ σ =20-19/0.7416= 1.3484
From standard normal curve table= 0.9099
The probability that it will completely by that time is
90.99% chance of completion.](https://image.slidesharecdn.com/neworkdiagpresentan006-170305124250/85/Nework-diag-presentan-006-1-320.jpg)
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Nework diag presentan 006
- 1. SOLUTION MEAN (µ) = (a+b+4m/6) = 8+0+4+7=19 CPM = A,D,G,I VARIANCE ( σ²)= [(b-a) /6]²= 0.44+0+0.11+0=0.55 STANDARDIZE (Z)= X-µ/ σ =20-19/0.7416= 1.3484 From standard normal curve table= 0.9099 The probability that it will completely by that time is 90.99% chance of completion.