Answers: 3
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
The coordinates of vortex a’ are (8,4) (-4,2) (4,-,4) the coordinates of vortex b’ are (6,6)(12,-,12)(12,12) the coordinates of vortex c’ are(-2,,12)(4,12)(12,-4)
Answers: 3
Mathematics, 21.06.2019 23:10
Consider the following function. which of the following graphs corresponds to the given function? w. x. y. z. a. z b. y c. x d.
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Mathematics, 22.06.2019 00:00
This summer the number of tourists in salem increased 4.5% from last years total of 426000. how many more tourists came to salem this summer
Answers: 1
Find the midpoint of the line segment. (-6,0), (-6,2)...
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