Problem #421

Expected Universe II
Public 07/31/17 6xp Probability 61.1%

Initially the Universe does not exist. However, each day either a matter or anti-matter emerges uniformly randomly. The Universe is born when matter count exceeds that of anti-matter for the first time. In this case, what is the probability that the Universe emerges within 365 days?

Give the result as an exact fraction in lowest terms.

You need to be a member to keep track of your progress.

Time may end, but hope will last forever.

Other Challenge Sites