Nitpick: proofing that (as opposed to showing it to be likely by hashing a few zillion candidate keys and computing stats on their hashes) may be a bit of a challenge.
I am making this remark because the question reminded me of the question "If it is the 13th of the month, what is the probability that it is Friday?" (no tricks with weird calendars; you should just use the Gregorian one).
I am making this remark because the question reminded me of the question "If it is the 13th of the month, what is the probability that it is Friday?" (no tricks with weird calendars; you should just use the Gregorian one).