subject
Mathematics, 26.11.2019 00:31 dontworry48

You measure 44 textbooks' weights, and find they have a mean weight of 51 ounces. assume the population standard deviation is 11.8 ounces. based on this, construct a 95% confidence interval for the true population mean textbook weight. give your answers as decimals, to two places

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 22:30
Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4
Answers: 3
question
Mathematics, 22.06.2019 02:00
Brittany has designed four different birdcages, each with the same volume: a square pyramid, a cylinder, a cone, and a sphere. the zoo wants to use one of brittany’s designs but plans to change the volume of the cage. find the design change that would result in the birdcage with the greatest volume. a.) increase the area of the base of the square pyramid by a factor of ten. b.) increase the height of the cylinder by a factor of ten. c.) increase the radius of the cone by a factor of ten. d.) increase the radius of a sphere by a factor of ten.
Answers: 1
question
Mathematics, 22.06.2019 04:30
Arectangular garden measures 5m by 7m. both dimensions are to be extended by the same amount so that the area of the garden is doubled. by how much should the dimensions increase, to the nearest tenth of a metre?
Answers: 2
question
Mathematics, 22.06.2019 06:30
Quickly select all numbers that are prime. 21 / 23 / 11 / 17 / 15
Answers: 1
You know the right answer?
You measure 44 textbooks' weights, and find they have a mean weight of 51 ounces. assume the populat...
Questions
question
Mathematics, 29.05.2020 07:00
question
Mathematics, 29.05.2020 07:00
Questions on the website: 13722359