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A project consists of three phases to be completed one after the other. The duration of each phase, in days, is normally distributed as follows: Duration of Phase I ˜N(84, 3²); Duration of Phase II ˜N(102, 4²); Duration of Phase III ˜N(62, 2²). The durations are independent.

a. Find the distribution of the project duration. Report the mean and the standard deviation.

b. If the project duration exceeds 250 days, a penalty will be assessed. What is the probability that the project will be completed within 250 days?

c. If the project is completed within 240 days, a bonus will be earned. What is the probability that the project will be completed within 240 days?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92181795

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