Answers: 2
Mathematics, 21.06.2019 20:50, brea2006
An automobile assembly line operation has a scheduled mean completion time, ฮผ, 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 00:00, minecraftsam2018
What is the effect on the graph of the function f(x) = x2 when f(x) is changed to f(x) โ 4?
Answers: 1
Mathematics, 22.06.2019 01:00, aatharris21
Azul has 4 green picks and no orange picks. you add orange picks so that there are 2 orange picks for every 1 green pick. how many picks are there now.
Answers: 1
Log 2x + Logx=11
Help solving for the equation...
Help solving for the equation...
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