Mathematics, 22.01.2021 01:40 deeyoung92
If a>0 , which of the following expressions is equivalent to a9−−√4 ?
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The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?
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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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If a>0 , which of the following expressions is equivalent to a9−−√4 ?...
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