Mathematics, 03.08.2020 14:01 danquanc958719
10500 people visited an art gallery in 2002.This was an increase of 25% on 2001.How many visitors were there in 2001?
Answers: 3
Mathematics, 21.06.2019 17:30
Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression
Answers: 1
Mathematics, 21.06.2019 17:30
How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !
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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
10500 people visited an art gallery in 2002.This was an increase of 25% on 2001.How many visitors we...
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