Mathematics, 06.11.2020 20:00 Jstylez1789
Josh spent $328 on 10 trees and 13 bushes. Zack spent $136 on 10 trees and 1 bush. What was the cost each of 1 bush and 1 tree?
Answers: 2
Mathematics, 21.06.2019 19:30
In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.
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
Josh spent $328 on 10 trees and 13 bushes. Zack spent $136 on 10 trees and 1 bush. What was the cost...
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