Question: Using PERT, the expected completion time to build a house is 70 days. The Standard Deviation of the project completion time is 4 days. What

Using PERT, the expected completion time to build a house is 70 days. The Standard Deviation of the project completion time is 4 days. What is the probability of completing the project within 66 days and within 78 days? What is the probability of completing the project after 78 days?

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