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    Statistics probability

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    Packages from packing machine have a mass, which is normally distributed with mean 200g and standard deviation 2g. Find the probability that the package from the machine weighs

    a) less than 197g b) more than 200.5g

    (use standard normal variable Z and normal distribution tables)

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    https://brainmass.com/math/probability/statistics-probability-standard-deviation-43478

    Solution Summary

    This provides two examples of working with standard deviation and z-tests.

    $2.49

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