Try these:

An interactive website https://seeing-theory.brown.edu that takes you through some of the most critical probabilities and statistics concepts.

Statistics 110: Probability

If you want a more advanced overview of Probabilities and Statistics, this course from Harvard University is an excellent introduction:

https://www.youtube.com/playlist?list=PL2SOU6wwxB0uwwH80KTQ6...

This is MIT Course 18.06, taught by Professor Gilbert Strang.

https://ocw.mit.edu/courses/mathematics/18-06-linear-algebra...

One of the best linear algebra courses that you’ll ever find.

Essence of Calculus

This is Grant Sanderson’s excellent take on calculus:

https://www.youtube.com/playlist?list=PLZHQObOWTQDMsr9K-rj53...