When using the IBM SPSS Statistics software package to conduct the independent-samples t test and the Output Viewer indicates a significance level of .01, which of the following is true?
a. There was a .01 probability that the observed difference was not the result of chance.
b. The null hypothesis cannot be rejected.
c. There is no support for the alternative hypothesis.
d. Informs the user that it is very unlikely that the observed was due to chance.
