I am expert in probability and statistics with a PhD degree. I've done many assignments and projects in probability and statistics, please see the reviews on my profile. I would be happy to send you samples of my work. It would be my pleasure to write step by step solutions to your problems.
Here are some of my recent projects in Probability and Statistics:
https://www.freelancer.com/jobs/Electrical-Engineering/Engineering-Probability/
https://www.freelancer.com/projects/Mathematics/Short-Probability-problem.html
https://www.freelancer.com/projects/Mathematics/Detail-each-mathematical-step-developing.html