If and only if the Lady properly categorized all 8 cups was Fisher willing to reject the null hypothesis -- effectively acknowledging the Lady 's ability at a 1.4 % significance level ( but without quantifying her ability ) .
If and only if the Lady properly categorized all eight cups was Fisher willing to reject the null hypothesis -- effectively acknowledging the Lady 's ability at a 1.4 % significance level ( but without quantifying her ability ) .