Create confidence interval estimate of mean lifetime of bulb


A random sample of the lifetime of 49 UltraIllum light bulbs has a mean of 3,960 hours and a standard deviation of 200 hours. Construct a 95% confidence interval estimate of the mean lifetime for all UltraIllum light bulbs.

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Mathematics: Create confidence interval estimate of mean lifetime of bulb
Reference No:- TGS0546164

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