Explore BrainMass

Explore BrainMass

    Probability Distribution, Expected Outcome, Standard Deviation

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

    Long-term history has shown that 65% of all elected offices in a rural county have been won by Republican candidates. This year there are 5 offices up for public election in the county. Let r be the number of public offices won by Republicans.
    a) Find P(r) for r=0,1,2,3,4, and 5.
    b) Make a histogram for the r probability distribution.
    c) What is the expected number of Republicans who will win office in the coming election?
    d) What is the standard deviation of r?

    © BrainMass Inc. brainmass.com June 3, 2020, 7:51 pm ad1c9bdddf

    Solution Summary

    This solution provides calculations and graphs in Excel for various probability questions.