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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.
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Mathematics, 21.06.2019 20:10
Which ratios are equivalent to 10: 16? check all that apply. 30 to 48 25: 35 8: 32 5 to 15
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Mathematics, 21.06.2019 23:00
Can someone me with my math problems i have a bunch. i will give brainliest and lots of pleeeaaasssee
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Mathematics, 21.06.2019 23:00
The distance between two points is 6.5cm and scale of map is 1: 1000 what's the distance between the two points
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What is three-eighths of fifty-six...
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