Worked examples, comparisons, and study tips — all written to actually make sense, not to sound like a textbook.
The concept explained from zero, with everyday examples.
Discrete vs continuous, and how the two connect.
How many heads should you actually expect from 10 flips?
From basketball to phone factories — where this math shows up.
Estimating series wins and boundary-per-over odds.
What μ, σ², and σ actually tell you.
The errors that quietly wreck an otherwise-correct answer.
A simple test to tell the two apart.
What actually happens if you guess every answer.
The method that holds up when calculators aren't allowed.