A random sample of 100 rods from a population line were measured and found to have a

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A random sample of 100 rods from a population line were measured and found to have a mean length of 12.132 with standard deviation 0.11. A further sample of 50 is taken. Find the probability that the mean of this sample will be between 12.12 and 12.14.

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Business Statistics Using Excel

ISBN: 9780199659517

2nd Edition

Authors: Glyn Davis, Branko Pecar

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