Please read carefully, this problem is posted online but instead of t-test the answers are for z-test.

Please answer using the t-test!

To decide whether chemistry or physics majors have higher starting salaries in the industry. n B.S. graduates of each major are surveyed, yielding the following results (in $1000's): Major Sample Average Sample SD Chemistry 41.5 2.5 Physics 410 2.5 Calculate the P-value for the appropriate two-sample t test, assuming that the data was based on n = 100. Then repeat the calculation for n = 400. Is the small P-value for n = 400 indicative of a difference that has practical significance? Would you have been satisfied with just a report of the P-value? Comment briefly