8. Sergio bought 5 new binders for $4.50 each. He also bought 20 pencils. Six
pencils cost $3.6...
Mathematics, 24.04.2020 07:22 neneleey1941
8. Sergio bought 5 new binders for $4.50 each. He also bought 20 pencils. Six
pencils cost $3.60. What is the total amount Sergio spent on the folders and
pencils?
7750
A) $34.50
C) $22.50
B) $12.00
D) $21.60
Answers: 2
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Airline passengers arrive randomly and independently at the passenger-screening facility at a major international airport. the mean arrival rate is 10 passengers per minutes. compute the following probabilities. p(x = 4) p(x > 11)
Answers: 2
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, 21.06.2019 22:30
Need same math paper but the back now i hope your able to read it cleary i need with hw
Answers: 1
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