For the following Hypothesis problem, you should clearly mark all five steps! The result without showing your steps is worth very little pts if any at all.

At a certain university, the average cost of books per student was $390 per student last semester. In a sample of 35 students this semester, their average cost was $410. Assume the population standard deviation is $90. The Dean of Students claims that the costs are greater this semester. Test the dean's claim at =0.05 level of significance. (3pts)

State the Hypothesis:((-2x^-3)(y^2))^-3

(-4x^0)(y^-4)

Test Value is_____=______

P-value = ________

Decision:__________________________________________________

Conclusion:_______________________________________________

Side question: I'm not sure what this equation ((-2x^-3)(y^2))^-3 has to do with my hypothesis testing. My teacher put it on our worksheet, but it has no relation to the problem or what

(-4x^0)(y^-4)

Im learning in Hypothesis testing. Do you think it's just a mistake he put there or can I use it to solve something? He put it the same equation on 3 other different hypothesis testing problems too. I'm just confused.