62.4% of what number is 17.16?
What percent of 51 is 127.5?
(Those are two questions but like...
Mathematics, 03.12.2020 23:10 ibidnnudny2623
62.4% of what number is 17.16?
What percent of 51 is 127.5?
(Those are two questions but like on the same thing )
Answers: 3
Mathematics, 21.06.2019 20:00, rogelionavarro200314
Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0
Answers: 2
Mathematics, 21.06.2019 20:50, brea2006
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
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