Mathematics · Project Management
एक PERT नेटवर्क के क्रांतिक पथ (critical path) पर नौ स्वतंत्र गतिविधियाँ हैं। यदि क्रांतिक पथ पर प्रत्येक गतिविधि का मानक विचलन (standard deviation) 3 है, तो संपूर्ण क्रांतिक पथ का मानक विचलन क्या है?
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