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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
Mathematics, 21.06.2019 22:20
Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?
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Mathematics, 21.06.2019 23:40
Select the correct answer what is the 10th term of the geometric sequence 3,6, 12, 24,48 a. 512 b. 3,072 c. 768 d. 1,536
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Mathematics, 22.06.2019 00:00
If a suspect is in possession of 20 grams of cocaine how many ounces does he possess what will the charge be
Answers: 2
Simplify 10a^2+9ab-40b^2...
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