This is my last problem please.
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Mathematics, 17.02.2021 01:00 Snowball080717
This is my last problem please.
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Mathematics, 21.06.2019 17:30, jessied2000
What is not true about kl and mn? what is mn? (show your work)
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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.
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