Lamp Problem.xlsx - 40 200 240 cost of bulb cost of site...

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40 cost of bulb 26 avg lifetime Scenario 1 200 cost of site visit 11 stdev lifetime Scenario 2 lifetimes are normally distributed -2640 Benefit of S 240 time period for evaluation of scenarios 21 Add'l Bulbs Scenario 1: change one bulb at a time Bulb 1 bulb 2 bulb 1 bulb 2 Bulb total 4.151998 31.42599 1 1 3 31.37786 1 63.25716 75.8389 95.03809 116.4698 139.8325 179.2633 205.3504 235.9379 272.9866 304.23 326.0325 340.8889 367.3129 402.6937 #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? average -2640 21 -2640 21
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cost = 720 cost = 3360 Scen 2 -2640 s sold = 21 Scenerio 2: change both bulbs at the same time Site total min life site vis bulb total site total Bulb 1 Bulb 2 3 4.151998 1 24 12 4.151998 31.42599 23.80201 1 27.22586 19.65001
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