Correction
Biometrika · 1968 · Volume 55 · Issue 2
Abstract
On p. 643 the right-hand sides of equations (10) and (11) should read e - e t σ { 1 + σ 2 n B 2 ( e e B - c B - 1 ) } n and exp { σ 2 B 2 ( e e B - c B - 1 ) - c t σ } .
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