The degree of the polynomial is
even
or
odd
the lead...
Mathematics, 28.09.2019 03:30 abc236
The degree of the polynomial is
even
or
odd
the leading coefficient is
negative
or
positive
the polynomial has
three zeros
or
four zeros
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
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Answers: 1
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