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Mathematics, 18.11.2020 18:50 genyjoannerubiera
The temperature rises 46ºF and then drops by 21ºF. If the temperature started at -2ºF, what temperature change would be required to bring the temperature to 5ºF
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Mathematics, 21.06.2019 19:40, evarod
Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.
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The temperature rises 46ºF and then drops by 21ºF. If the temperature started at -2ºF, what temperat...
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