Explore BrainMass

Explore BrainMass

    expected value and variance of discrete random variable

    Not what you're looking for? Search our solutions OR ask your own Custom question.

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    1)If the standard deviation is 1.71 what is the variance?

    2)Using the probability distribution listed. What is the mean?

    x 0 1 2 3

    P(x) 0.2 0.1 0.3 0.4

    © BrainMass Inc. brainmass.com March 4, 2021, 8:43 pm ad1c9bdddf

    Solution Summary

    The solution provides detailed calculations of expected value and variance of discrete random variable.