I need help w this pls
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Mathematics, 22.06.2021 01:00 sarahidan
I need help w this pls
Answers: 3
Mathematics, 21.06.2019 16:30, tamya12234
If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?
Answers: 3
Mathematics, 21.06.2019 17:00, joejoefofana
Need on this one asap im almost done with this subject
Answers: 1
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.
Answers: 3
History, 29.01.2020 16:58
Mathematics, 29.01.2020 16:58
Mathematics, 29.01.2020 16:58
History, 29.01.2020 16:58
Mathematics, 29.01.2020 16:58
Mathematics, 29.01.2020 16:58