What fraction of the sets are still in service

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Reference no: EM131781559

Question: Product reliability a statistical study shows that the fraction of television sets of a certain brand that are still in service after x years is given by f(x) = e^-0.15x.

(a) What fraction of the sets are still in service after 5 years?

(b) After how many years will the fraction still in service be 1/10?

Reference no: EM131781559

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