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A random sample of 94 light bulbs had a mean life of 587 hours with a sample standard deviation of 36 hours. Construct a 90% confidence interval for the mean life of all light bulbs of this type?
A random sample of 94 light bulbs had a mean life of 587 hours with a sample standard deviation of 36 hours. Construct a 90% confidence interval for the mean life of all light bulbs of this type?
2
answers
0
watching
202
views
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11 Aug 2023
SadhaLv10
31 Jan 2021
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