>>536529936
>3* stamina
1.2% chance per run assuming 6% stamina
>3* long
1 in 30 or 1 in 40 for most reasonable parents. so 3.3% chance or 2.5% chance

Both at once is at best 0.0396% chance or 1 in 2525 runs

>>532197026
I will be saving to roll for my wives