WILL GIVE BRAINLIEST
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Answers: 3
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
Mathematics, 21.06.2019 22:30, rivera6681
Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.
Answers: 1
Mathematics, 21.06.2019 23:40, alyxkellar06
From the top of a tree a bird looks down on a field mouse at an angle of depression of 50°. if the field mouse is 40 meters from the base of the tree, find the vertical distance from the ground to the bird's eyes.
Answers: 1
Mathematics, 22.06.2019 01:10, Yailynn598
You work in a hospital that has 9 floors. you need to see 3 patients on each floor. how many patients do you need to see in all?
Answers: 2
Mathematics, 30.01.2020 06:59
Chemistry, 30.01.2020 06:59