What is the area of this trapezoid?
A) 96 in²
B) 132 in²
C) 168 in²
D) 1344...
Mathematics, 25.02.2020 21:11 nkaliloa
What is the area of this trapezoid?
A) 96 in²
B) 132 in²
C) 168 in²
D) 1344 in²
Answers: 3
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The line y = x + passes through (−3, 7) and is parallel to y = 4x − 1.
Answers: 1
Mathematics, 21.06.2019 19:30
The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median amount spent? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28
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
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