Let X be the positive difference between the scores obtained from two dice.
a. find the probability mass function for X
b. show that X follows a valid probability mass function
c. Find P(X>=2)
d. Find mu
e. Find the variance
[Hint: An example of a positive difference is |2-6|=4. So zero is considered a positive difference.]© BrainMass Inc. brainmass.com June 3, 2020, 11:24 pm ad1c9bdddf
This solution helps go through problems regarding the probability mass function for the positive difference between two dice.