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.
By contrast, Generation Z tends to be the product of Generation X, a relatively small, jaded generation that came of age in the post-Watergate, post-Vietnam funk of the 1970s, when horizons seemed limited.