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Mathematics, 21.06.2019 14:30 bossninja97588
Multiply β2x(6x^4β7x^2+xβ5) express the answer in standard form. enter your answer in the box.
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Mathematics, 21.06.2019 19:40
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.
Answers: 3
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Multiply β2x(6x^4β7x^2+xβ5) express the answer in standard form. enter your answer in the box....
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