Mathematics, 20.09.2021 14:00 mayslays
Ngoc invests a total of $14,000 in two accounts paying 3% and 7% simple interest, respectively. How much was invested in each account if, after one year, the total interest was $620.00.
Answers: 2
Mathematics, 21.06.2019 16:50
The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left
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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
Mathematics, 22.06.2019 03:40
What is the following sum in simplest form? square root 8 + 3 square root 2 + square root 32
Answers: 1
Ngoc invests a total of $14,000 in two accounts paying 3% and 7% simple interest, respectively. How...
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