Question
The 95% confidence interval for the mean length of life of a particular brand of light bulb is (1023.3 h, 1101.7 h). This interval is
The 95% confidence interval for the mean length of life of a particular brand of light bulb is (1023.3 h, 1101.7 h). This interval is based on results from a random sample of 36 light bulbs. Find the 99% confidence interval for the mean length of life of this brand of light bulbs, assuming that the length of life is normally distributed.
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Linear Algebra With Applications
Authors: Gareth Williams
7th Edition
0763790923, 9780763790929
