hi, please help this probability and statistics questions with clear steps and details, thanks you

A teacher claim that the total book price of secondary school students this year will not be over 3000 dollars. but some parents disagree with this .therefore they randomly select 29 students in different secondary schools and know that the average is 3025 dollars and the sample standard deviation is 135. assume it follows a normal distribution, state that whether the teacher statement: the total book price of secondary school students in this year will not be over 3000 dollars is correct or not.

a) State the statement of H0 and H1

b) Is it two side/left test/right test?

c) Find the test statistics

d) Find the critical value under a 10% significant level

e) Draw the normal distribution curve and mark the shaded region as the rejection region

f) Under 10% significant level and compare the parts c and d, state the result.