Well..divided into 6/6 first to define a heavier group is certainly right. Randomly select 3/3 will result another heavier group.tvb now,tvbnow,bttvb( s1 S" N$ b$ G1 |
The problem is we don't know the weight of each individual ball, so it will not be accurate to figure out which ball is irregular by only weight them once.
+ C3 m% r' c4 t+ O7 d: d: l5.39.217.76 |