Mathematics, 19.11.2019 06:31 lolomgwtfnvm4
3.3.3. suppose the lifetime in months of an engine, working under hazardous conditions, has a γ distribution with a mean of 10 months and a variance of 20 months squared. (a) determine the median lifetime of an engine. (b) suppose such an engine is termed successful if its lifetime exceeds 15 months. in a sample of 10 engines, determine the probability of at least 3 successful engines.
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3.3.3. suppose the lifetime in months of an engine, working under hazardous conditions, has a γ dist...
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