Question: Electronic components are assembled by workers on an assembly line.A new supervisor has been appointed and has proposed a different way of assembling components which

Electronic components are assembled by workers on an assembly line.A new supervisor has been appointed and has proposed a different way of assembling components which she believes will save time.She wants to estimate the time to assemble the components using her way of doing so.She believes the population standard deviation is 13 seconds. How large a sample of workers should she take to estimate the mean assemblytime to within 1 second with 99% confidence

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