lovehelping7223 lovehelping7223 08-02-2020 Mathematics contestada Verify that the following function is a probability mass function, and determine the requested probabilities. [Give exact answers in form of fraction.] f (x) = (8 / 9)(1/ 9)" x = 0,1,2, , (a) PIX-2)= (b) P(Kg 2) =