Question: A project has five activities with the durations (days) listed below: Activity Precedes Expected Variance Duration Start A, B 71 0.23 B E 20 0.25

A project has five activities with the durations (days) listed below: Activity Precedes Expected Variance Duration Start A, B 71 0.23 B E 20 0.25 C D 11 0.3 D End 36 0.47 E End 23 0.75 What is the probability that the project will be completed within 122 days? O a. 0.25 O b. 0.82 O c. 1 O d. 0 O e. 0.18 Consider the data below: Month Demand Jan 151 Feb 211 Mar 256 196 Apr May 121 Jun 196 Jul 196 151 Aug Sep 211 Oct 256 Nov 121 The forecast for the month of November was higher than the actual demand and the forecast for the month of December (using exponential smoothing) is exactly equal to the actual demand of November. What smoothing constant can justify this behaviour? O a. Unsufficient information Ob. 0.25 O c. 0.5 Od 0 Oe. 1 Consider the data below: Month Demand Jan 151 Feb 211 Mar 256 196 Apr May 121 Jun 196 Jul 196 151 Aug Sep 211 Oct 256 Nov 121 The forecast for the month of November was higher than the actual demand and the forecast for the month of December (using exponential smoothing) is exactly equal to the actual demand of November. What smoothing constant can justify this behaviour? O a. Unsufficient information O b. 0.25 Oc. 0.5 O d. 0 e. 1

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