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? ust=0.9998
%1 = 0.99980000000000000000000000000000000000
? fwl=0.9997
%2 = 0.99970000000000000000000000000000000000
? fi=0.9999
%3 = 0.99990000000000000000000000000000000000
? einzelnerWeg = ust*fwl*fi
%4 = 0.99940010999400000000000000000000000001
? alleWege = einzelnerWeg^5
%5 = 0.99700414649202815150524693349444466037
? plan = 0.9999
%6 = 0.99990000000000000000000000000000000000
? keinFehler = alleWege * plan
%7 = 0.99690444607737894869009640880109521591
? ausfallwahrscheinlichkeit = 1-keinFehler
%8 = 0.0030955539226210513099035911989047840957
? zeit = 8760
%9 = 8760
? ausfallzeit = zeit * ausfallwahrscheinlichkeit
%10 = 27.117052362160409474755458902405908679
? zeit*0.9969 \\Proberechnung, so kam wohl der Rundungsfehler zustande
%11 = 27.156000000000000000000000000000000013