Question 751886
The odds are therefore halved to {{{1}}} in  {{{195000000}}}  ({{{360}}} in  {{{195000000}}}).

I buy one ticket at first - a chance. is {{{1/195000000= 0.000000005128205}}}%.

I then buy {{{360}}} tickets to increase my chances - a  chance is {{{360/195000000 = 0.0000084615}}}%.