544 



THE BELL SYSTEM TECHNICAL JOURNAL, MARCH 1957 



Table I — Number of Units Required per Process to Guarantee 

 A Probability of P* of Selecting the Best of A: Binomial Proc- 

 esses WHEN THE True Difference p[i] — p[o^ is .\t Least d*. 



(k = 2) 



The three values in each group are: (1) Normal approximation, (2) 

 Straight line approximation, and (3) Smallest integer required. 



