Masses of a particular article are normally distributed with mean 20 g and standard deviation 2 g.
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Masses of a particular article are normally distributed with mean 20 g and standard deviation 2 g. A random sample of 12 such articles is chosen. Find the probability that the total mass is greater than 230 g.
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Related Book For
A Concise Course In Advanced Level Statistics With Worked Examples
ISBN: 9780748754755
4th Edition
Authors: J. Crawshaw, J. Chambers
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