Mathematics, 22.01.2021 20:50 sharmadaman641
Find the sale price of a $90 item after a 50% discount.
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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.
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Mathematics, 22.06.2019 00:00
Jonathan puts $400 in a bank account. each year the account earns 6% simple interest. how much interest will be earned in 5 years?
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Mathematics, 22.06.2019 01:00
The collection of beautiful oil paintings currently on display at an art gallery well defined; set not well defined; not a set
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Find the sale price of a $90 item after a 50% discount....
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