The z-score: - 2.56 < - 1.96, so we reject our null hypothesis at 5% level of significance.

The z-score: -2.56 > -2.58, so we fail to reject our null hypothesis at 1% level of significance.

The z-score: -2.56 > - 3.29, so we fail to reject our null hypothesis at 0.1% level of significance.

1. Although you would not definitively know this as the researcher, is it possible that your p < .05 conclusion is a Type I error? Is it possible that it is a Type II error? Briefly explain your answers
2. Although you would not definitively know this as the researcher, is it possible that your p < .01 conclusion is a Type I error? Is it possible that it is a Type II error? Briefly explain your answers
3. Although you would not definitively know this as the researcher, is it possible that your p < .001 conclusion is a Type I error? Is it possible that it is a Type II error? Briefly explain your answers
4. Assuming that you did not make any Type I or Type II errors, explain the three conclusions that you reached about the null hypothesis?