Question: 9. Given the activity time estimates below: a. What is the expected time for Activity A? (round to 2 decimals as needed) b. What is

9. Given the activity time estimates below: a.

9. Given the activity time estimates below: a. What is the expected time for Activity A? (round to 2 decimals as needed) b. What is the expected time for Activity D? (round to 2 decimals as needed) What is the variance for Activity B? (round to 4 decimals as needed) d. What is the variance for Activity C? (round to 4 decimals as needed) c. Activity Optimistic Time Most Likely Time A 2 6 Pessimistic Time 7 B 4 4 C 2 1 6 6 2 7 D 8 10. The expected time for a project is 20 months with a variance of 4. a. What is the probability the project will complete within 17 months? b. What is the probability the project will take more than 23 months? Wh is the probability the project will take between 19 and 25 months? d. Within how many months is there a 95% probability of completing? c

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