Mathematics, 03.06.2020 22:59, nevarezchiu7972
Gunther drew a circle. The radius of the circle is 20 inches. He uses the formula below to determine the area of his circle
Answers: 2
Mathematics, 21.06.2019 19:40, evarod
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
Gunther drew a circle. The radius of the circle is 20 inches. He uses the formula below to determine...
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