Share
Explore BrainMass

Quantitative Methods: Probability Distribution

If X has the following probability distribution

X 1 2 3 4
P(X) .1 .5 .2 .2

Compute the standard deviation of X.

Solution Preview

First calculate expected value of X i.e. E(X)
E(X) = summation of ...

Solution Summary

Quantitative Methods are examined.

$2.19