Question: When conducting a t-test, if a 95% Confidence Interval for differences between means includes zero, what inference can be made? 1) The null hypothesis can

When conducting a t-test, if a 95% Confidence Interval for differences between means includes zero, what inference can be made? 1) The null hypothesis can be rejected 2) The alternative hypotheses can be accepted 3) The null hypothesis cannot be rejected 4) Statistical significance cannot be determined from this kind of confidence interval

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