As part of an ANOVA that compares three treatments, you carry out Tukey pairwise tests at the overall 5% significance level. The Tukey tests find that µ1 is significantly different from µ2 but that the other two comparisons are not significant. You can be 95% confident that
(b) just 
there is not enough evidence to draw conclusions about the other pairs of means.
(c) 
and this implies that it must also be true that 