Mathematics, 20.12.2019 07:31 jessie8022
Various dilations of square a are shown. which square was obtained by dilating square a by the scale factor of
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In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class
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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
Various dilations of square a are shown. which square was obtained by dilating square a by the scale...
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