why my project rejected??

i did my project by python programming language on jupyter notebook and my project was rejected and feedback is : Detailed Feedback The answers to ALL the tasks are incorrect. Hint: In Q1 - You have been asked to give time bucket wise average call time duration. In Q2 - You have been asked to create a chart or graph that shows the number of calls received in each time bucket. In Q3 & Q4 - The proposed manpower plan calculations as well as the number of agents required in each time buckets are vague. and my sequence of answer is diffrent only but my answer is correct (as i believe ) even i provided a clear heading of answer in ppt file. I provideng a screenshot of answers please review again.