Question: 1. The expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 6. What is the

1. The expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 6. What is the probability that the project will (a) require at least 17 months? (b) be completed within 20 months (c) require at least 23 months? (d) be completed within 25 months?Problem 7-22 Mean (months) Variance (months^2) Standard deviation (months) (a) P(need >= 17 months) = (b) P(need <= 20 months) = (c) P(need >= 23 months) = (d) P(need <= 25 months) =

Problem 7-22

Mean (months)
Variance (months^2)
Standard deviation (months)

(a) P(need >= 17 months) =
(b) P(need <= 20 months) =
(c) P(need >= 23 months) =
(d) P(need <= 25 months) =

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