Mathematics, 16.11.2020 18:10 aseel667789
What is 1+2333333366666666+5566666666666665 55555555555877777777777777777777777 77777777777799999999999999999+46646 44646646=?
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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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What is 1+2333333366666666+5566666666666665 55555555555877777777777777777777777 77777777777799999999...
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