If a test of hypothesis has a Type I error probability (alpha) of 0.01. it means that O If the null hypothesis is false, you don't reject it 1% of the time. O if the null hypothesis is true, you reject it 1% of the time. O if the null hypothesis is true, you don't reject it 1% of the time. O if the null hypothesis is false, you reject it 1% of the time.