Mathematics, 03.07.2019 10:30 kaywendel2008
Tell which of the ordered pairs is a solution to the equation y=1/2x+2 (0,1) (2,2) (4,4) or (-2,1)
Answers: 1
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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.
Answers: 3
Mathematics, 21.06.2019 23:30
Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.
Answers: 3
Tell which of the ordered pairs is a solution to the equation y=1/2x+2 (0,1) (2,2) (4,4) or (-2,1)...
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