1.00 

 0.80 



0.60 

 0.50 

 0.40 



0.30 

 0.20 



0.10 

 0.08 



0.06 

 0.05 

 0.04 



0.03 

 0.02 



0.01 



4 5 6 8 10 



20 30 40 50 60 80 100 



n 



200 300 400 



Fig. 4 — Number of units n required per process to guarantee a probability of 

 P* of selecting the best of four bionimal processes when the true difference d is 

 at least d*. 



1.00 

 0.80 



0.60 

 0.50 



0.40 

 0.30 



0.20 



0.10 

 0.08 



0.06 

 0.05 



0.04 

 0.03 



0.02 



0.01 



5 6 8 10 



20 



n 



30 40 50 60 80 100 



200 300 400 



Fig. 5 — Number of units n required per process to guarantee a probabilitj"" of 

 P* of selecting the best of ten binomial processes when the true difference d is 

 at least d*. 



549 



