Mathematics, 31.01.2021 22:20 jjgccc
I need help in the last section. Also check for any mistake above
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Mathematics, 21.06.2019 17:30
At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?
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Mathematics, 21.06.2019 19:00
What are the solutions of the equation? z^2 + 11z + 24 = 0 a. 8, -3 b. 8, 3 c. -8, -3 d. -8, 3
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Mathematics, 21.06.2019 19:40
Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.
Answers: 3
I need help in the last section. Also check for any mistake above...
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