# 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.

https://brainmass.com/computer-science/software-development/total-variance-overall-system-29478

#### 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.

$2.49