Mathematics, 25.02.2021 01:00 brennarfa
What is the surface area of a square-based pyramid with a base length of 5 m and a slant height of 3 m?
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m²
Answers: 1
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 21:30
Joe has a rectangular chicken coop. the length of the coop is 4 feet less than twice the width. the area of the chicken coop is 510 square feet. what is the length of the chicken coup?
Answers: 3
Mathematics, 22.06.2019 01:00
The computer that controls a bank's automatic teller machine crashes a mean of 0.6 times per day. what is the probability that, in any seven-day week, the computer will crash less than 5 times? round your answer to four decimal places
Answers: 2
Mathematics, 22.06.2019 01:30
Write 37/22 as a decimal rounded to the nearest hundredth.
Answers: 2
What is the surface area of a square-based pyramid with a base length of 5 m and a slant height of 3...
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