Mathematics, 15.07.2019 00:00 Kpthegoat
Afish swims at a speed of 12 miles per hour. a boy swims at a speed of 4.4 feet per second. 3 ft = 1 yd 5280 ft = 1 mi how much faster does the fish swim than the boy in yards per minute?
Answers: 2
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Mathematics, 21.06.2019 17:00
Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?
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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
Mathematics, 21.06.2019 23:10
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Afish swims at a speed of 12 miles per hour. a boy swims at a speed of 4.4 feet per second. 3 ft = 1...
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