hw4_key_word - 1 Homework 4 Key P1 a Find the mean and...

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Unformatted text preview: 1 Homework 4 Key P1. a. Find the mean and variance for the cost for each team. Summary Level 2 Index Description Mean Var. S.D. Cost Well 1 Slab 4160 1152000 1073 4160 2 Pump 1280 41600 204 1280 3 Fluid 3840 321344 567 3840 4 Electricity 1760 84800 291 1760 5 Finish b. Find the mean and variance of the total cost of the project. Estimate Level 1:Collect_Risk Mean Var. S.D. Cost 11040 1599744 1265 11040 c. Give a point estimate of the project cost using the median point estimate for the cost for each activity. Cost 11040 d. Give a point estimate of the project cost using the 60th percentile for the cost for each activity. Cost 11822 e. Give a two-sided interval estimate for the project cost with a 0.8 probability coverage. Random Variab RV1 F_Inverse(0.1) 9419.081 Distribution Normal F_Inverse(0.9) 12660.919 mean (mu) 11040 From To std dev. (sigma 1265 Interval: 9419.081 12660.919 0.00075076 f. Find the probability that the project will cost more than $12000....
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This note was uploaded on 05/13/2010 for the course ME 01953 taught by Professor Bard during the Spring '10 term at University of Texas.

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hw4_key_word - 1 Homework 4 Key P1 a Find the mean and...

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