Mathematics, 29.01.2020 02:46, floresvanexel4pejp1p
Fifteen tickets cost 193.75 what is the average cost of each ticket
Answers: 1
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
Mathematics, 22.06.2019 09:20, pearsonalyssa
The length of a rectangle is 11 yd less than three times the width and the area of the rectangle is 42 yd
Answers: 2
Fifteen tickets cost 193.75 what is the average cost of each ticket...
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