When two events (call them A and B) are Mutually Exclusive it is impossible for them to happen together: P(A and B) = 0. The probability of A and B together equals 0 (impossible).
Generation Z. Generation Z (also known as The Founders, Post-Millennials, the iGeneration, Plurals or the Homeland Generation) is the demographic cohort after the Millennials.
1 American Associations of Law Libraries â I am Gen Y. âGeneration Y are variable â dates ranging as widely as 1979 through 1994 and 1982 though 2000 have been used.â.  USA Today â I am Gen Y. âThere is no consensus over the exact birth dates that define Gen Y, also known by some as echo boomers and millennials. But the broadest definition generally includes the more than 70 million Americans born 1977 to 2002. Generation X was born roughly 1965 to 1976.