For example, chance is 100% for minimum 0 heads when a coin is tossed 7 times.
Chance is 50% for minimum 2 heads when a coin is tossed 3 times.
Chance is 0% for minimum 12 heads when a coin is tossed 11 times.
this problem could use some nontrivial testcases
Volume of this donut
Solve the Sudoku Row
What is the distance from point P(x,y) to the line Ax + By + C = 0?
Combinations without using nchoosek
Say something funny
A Simple Tide Gauge with MATLAB
area of an annulus
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