# For the network shown here, calculate the following: Mean duration (µ) Variance (σµ2) Standard Deviation (σµ) Probability that the network can be completed in 50 days or less. 2. 1. The following information concerns progress at day 40 of an Internet

1. For the network shown here, calculate the following:
1. Mean duration (µ)
2. Variance (σµ2)
3. Standard Deviation (σµ)

Probability that the network can be completed in 50 days or less.

2.

1.     The following information concerns progress at day 40 of an Internet marketing project. Determine if the project is in control based on time and cost to date.  If not, what is the cost overage or underage?

 Activity Duration Budget Actual Cost % Complete 1-2 10 300 250 100.00 2-3 8 400 450 100.00 2-4 12 350 380 100.00 4-3 0 0 0 3-5 18 405 400 70.00 5-6 16 450 ——- 0.00

A Project has just completed the 87th item in its action plan. It was scheduled to have spent \$168,000 at this point in the plan but has actually spent only \$156,000. The foreman estimates that the value of the work actually finished is about \$162, 000. What are the spending and schedule variances for the project? What are the SPI and CPI?