At a college the masses of the male students can be modelled by a normal distribution with
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At a college the masses of the male students can be modelled by a normal distribution with mean mass 70 kg and standard deviation 5 kg. Four male students are chosen at random. Find the probability that their mean mass is less than 65 kg.
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A Concise Course In Advanced Level Statistics With Worked Examples
ISBN: 9780748754755
4th Edition
Authors: J. Crawshaw, J. Chambers
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