මුලික සම්භාවිතා ව්‍යාප්ති (Basic Probability Distributions - Quick Revision) 

Advance Level - Business Statistics Paper - Question Number 05 - Probability - (සම්භාවිතාවය සහ සම්භාවිතා ව්‍යාප්ති) This video is about quick revision and paper discussion of Probability Distributions by #NAK This video is very useful for 2020 - A/L - Business Statistics Students.