Mathematics, 07.09.2020 05:01 henryisasum7846
Question 7 (1 point)
In a simple random sample of 80 electronic components produced by a certain
method, the mean lifetime was 922 hours. Assume that component lifetimes are
normally distributed with population standard deviation 103 hours. What is the
upper bound of the 95% confidence interval for the mean lifetime of the
components?
Round your answer to the nearest integer.
Answers: 1
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Question 7 (1 point)
In a simple random sample of 80 electronic components produced by a certain
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