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Solved 5 A Ball Mill Crushes Ore Into Fine Gravel With A

Solved 5 A Ball Mill Crushes Ore Into Fine Gravel With A . A ball mill crushes ore into fine gravel with a median diameter of 2 7 mm and a geometric standard deviation of 1 65 The particle sie follows a lognormal distribution a What is the probability that a particle from this gravel has a diameter larger than 3 1 mm Solution 5a b A random variable is described by a lognormal distribution

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