Mathematics, 07.09.2020 06:01 Lorettareneemills
A simple random sample of electronic components will be selected to test for the
mean lifetime in hours. Assume that component lifetimes are normally distributed
with population standard deviation of 14 hours. How many components must be
sampled so that a 99% confidence interval will have margin of error of 2 hours?
Write only an integer as your answer.
Answers: 2
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A simple random sample of electronic components will be selected to test for the
mean lifetime in h...
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