When analyzing the set of differences in a pairedt-test procedure, if the confidence interval for the differences does not include zero, we expect the results of ourt-test to be which of the following?

a) P> 0.05 and we fail to reject the null hypothesis of equal means.

b) P> 0.05 and we reject the null hypothesis of equal means.

c) P< 0.05 and we fail to reject the null hypothesis of equal means.

d) P< 0.05 and we reject the null hypothesis of equal means.