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    total variance for the overall system

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    A system has 3 independent additive error sources being the following:
    Uniform from 2 to 14,
    Exponential such that lambda is .4
    Rayleigh such that sigma is 3.

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    Solution Preview

    Uniform distribution:
    b = 14, a = 2
    Variance of uniform distribution Vu = (b-a)^2/12 = (14-2)^2/12
    => Vu = 144/12 ...

    Solution Summary

    The total variance for the overall system is determined.