dennis profeta wrote:
>
> this is my final answer. it was forwarded to me by my better half. i have to
> concur with my wife that this is the right formula which gives an answer of
> 0.015625 or 1/64.
>
NOT.  That is the probability for six heads in a row for six coins, BUT
lets us say
the first toss comes up tails.  With only six tosses permitted you're
done, BUT
with 20 tosses allowed you start again.  I don't know what the answer is
but it
is better than 1/64.

Nick D.