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Answers: 3
Mathematics, 20.06.2019 18:04
Arectangle has an area of 54 square feet. if the length is 3 feet more than the width, find the dimensions of the rectangle.
Answers: 2
Mathematics, 21.06.2019 15:20
Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?
Answers: 3
Mathematics, 21.06.2019 16:40
What is the distance between the points (2 -3) and (-6 4) on the coordinate plane
Answers: 1
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, 22.04.2021 02:00
Mathematics, 22.04.2021 02:00
Mathematics, 22.04.2021 02:00
Mathematics, 22.04.2021 02:00
Computers and Technology, 22.04.2021 02:00
Mathematics, 22.04.2021 02:00
Mathematics, 22.04.2021 02:00
Mathematics, 22.04.2021 02:00
Mathematics, 22.04.2021 02:00
Mathematics, 22.04.2021 02:00
Mathematics, 22.04.2021 02:00