Mathematics, 03.03.2020 03:31 jrock57
An experiment was run to determine whether four specific firing temperatures affect the density of a certain type of brick. A completely randomized experiment led to the following data:Temperature Density100 21.8 21.9 21.7 21.6 21.7125 21.7 21.4 21.5 21.4 150 21.9 21.8 21.8 21.6 21.5175 21.9 21.7 21.8 21.4 a) Does the firing temperature affect the density of the bricks ?Use α = 0.05
Answers: 3
Mathematics, 21.06.2019 19:20
Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.
Answers: 3
Mathematics, 21.06.2019 19:30
Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)
Answers: 1
Mathematics, 21.06.2019 22:00
Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?
Answers: 2
Mathematics, 21.06.2019 23:30
What is the volume of a rectangular crate that has dimensions 9 inches by 9 inches by 1 feet? 1,458 in.3 121.5 in.3 1,012.5 in.3 36 in.3
Answers: 1
An experiment was run to determine whether four specific firing temperatures affect the density of a...
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