Consider the following work breakdown structure: Time Estimates (days) LikelyPessimisticStartA, B - - - AC, D 44 50 56 BD 45 60 75 CE 42 45 48 DF 31 40 49 EF 27 36 39 FEnd 58 70 82 What is the probability that the critical path for this project will be completed within 210 days

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step-by-step explanation:

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step-by-step explanation:

7.9m and 4.3°

step-by-step explanation:

let east be +x and north be +y, x = distance * cos θ, y = distance * sin θ  

for 3.5 south, y = -3.5  

for 8.2, x = 8.2 * cos 30 and y = 8.2 * sin 30  

for 15 west, x = -15  

total x = 8.2 * cos 30 – 15 ≈ -7.9  

total y = -3.5 + 8.2 * sin 30 = 0.6  

magnitude = [(8.2 * cos 30 – 15)^2 + 0.6^2)]^0.5  

the magnitude is approximately 7.9 m  

tan θ = y/x = 0.6/-7.9  

the angle is approximately 4.3˚ north of west