Corporate sustainability refers to business practices designed around social and environmental considerations. The level of support senior managers have for corporate sustainability was measured quantitatively on a scale ranging from 0 to 160 points. A study on the sustainability behavior of CPA corporations provided the following information on the distribution of levels of support for sustainability: μ =68, σ = 27. Now consider a random sample of 45 senior managers. Assuming the findings from the study are true, how likely is it to observe a sample mean of 65 for the sample of 45 senior managers.

The null and alternative hypotheses

Test statistic

Rejection, please show on the distribution curve (the bell curve)

P-value: if z distribution is used

Decision: whether to reject or not to reject the null

Conclusion: what you do find in term of the specific situation described in the question.