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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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Mathematics, 21.06.2019 22:20, ashtonviceoxd21i
Which strategy is used by public health to reduce the incidence of food poisoning?
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Mathematics, 21.06.2019 22:30, 20alondra04
Explain how you could use the interactive table to tell if sets of points are on the same line. math 8
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English, 09.12.2020 21:00
Mathematics, 09.12.2020 21:00
English, 09.12.2020 21:00