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BGonline.org Forums
5's are wild.
Posted By: Chuck Bower In Response To: Jumping a 5-prime (Daniel Murphy)
Date: Saturday, 23 June 2007, at 10:49 p.m.
This should be an easy thing to remember.
Assuming the five prime isn't broken in the meantime (not the case in your illustration), trapped checker is a favorite to jump in the first five rolls, but not before. In fact, a 55% favorite to jump in the first 5 rolls! The mean number of rolls to jump isn't far off -- very close to 6 rolls. (I need to look up sums of infinite series. At worst I'll post to GammonU and let the professors there tell us how to do it.) But if anyone here wants to give it a try, the infinite sum is:
Sum (i=1 --> infinity) of [ i*A0*r^(i-1) + i*(i-1)*A1*r^(i-2) ]
Looks suspiciously integrable....
A0 = 1/18, A1 = 99/1296, r = 25/36 for our situation.
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