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Mathematics, 21.06.2019 19:30
Evaluate the expression for the given value of the variable. ∣-4b-8∣+∣-1-b^2 ∣+2b^3 ; b=-2
Answers: 2
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.
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Mathematics, 21.06.2019 21:40
Asystem of linear equations contains two equations with the same slope. select all of the correct statements. i a. the system may have two solutions. - b. the system may have infinitely many solutions. c. the system may have one solution. o d. the system may have no solution. submit
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Mathematics, 10.05.2021 17:40
Mathematics, 10.05.2021 17:40
Mathematics, 10.05.2021 17:40
Mathematics, 10.05.2021 17:40
Mathematics, 10.05.2021 17:40
Biology, 10.05.2021 17:40
Mathematics, 10.05.2021 17:40
Mathematics, 10.05.2021 17:40
Chemistry, 10.05.2021 17:40
Mathematics, 10.05.2021 17:40