Can you please assist me with these questions , thank you in advance!

1 . You have been told that the mean PRice of a movie tickets including online service Charges, a large popcorn and a medium soft drinks is 38 4 Based on a sample of 10 theatre chains and assuming normal distribution the sample mean was found to be 36 . 53 and standart deviation was 3. 49. At the 0. DS level of significance, is there enough evidence to indicate that the average is not equal footon to 138 7 (a) what is appropriate null and hypothesis ? Ab What level of significance of sample size is used ? .What type of problem is this? What formula will be used ? do Correct critical value ? (6) correct value for test statistic