Mathematics, 02.07.2019 21:00 ElierLeon
In a certain city, the record rainfall during an 12-hour period is 14 and 3/4 inches. how much rain fell per hour on average?
Answers: 1
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
Mathematics, 21.06.2019 20:00
Select the number of ways in which a line and a circle can intersect
Answers: 3
In a certain city, the record rainfall during an 12-hour period is 14 and 3/4 inches. how much rain...
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