Mathematics, 28.01.2020 23:05 diamond8189
Iam thinking of two numbers in the ratio 5: 3. the difference between the two numbers is 90. what is the sum of the two numbers?
Answers: 1
Mathematics, 21.06.2019 15:30
Normal yağmur ile asit yağmuru arasındaki fark nedir
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Mathematics, 21.06.2019 17:20
Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x
Answers: 1
Mathematics, 21.06.2019 20:50
An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.
Answers: 3
Iam thinking of two numbers in the ratio 5: 3. the difference between the two numbers is 90. what is...
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