Project Two Paths Concerned First Path Call 1 Expected Path Time 15 Weeks Standard Deviat Q29595708

A project has two paths that you are concerned about. The firstpath (which we will call #1) has an expected path time of 15 weeksand a standard deviation of 3. The second path (#2) has an expectedpath time of 14 weeks and a standard deviation of 3.4. Which pathis critical if the project must be completed within 20 weeks?

Path #1 is critical with a probability of approximately 1.67

Path #1 is critical with a probability of approximately 95%

Path #2 is critical with a probability of approximately 96%

Path #2 is critical with a probability of approximately 90%

Path #2 is critical with a probability of approximately1.765

Path #1 is critical with a probability of approximately 85%

Please explain in much detail how you came to the answer