Problem
Problem of the Day #47
POTD January 21, 2024
A coin is flipped 20 times in a row. Given that exactly 14 heads appeared, and the probability that no two consecutive coin flips were both tails can be written as \frac{m}{n}, where m, n are relatively prime positive integers, find the value of m+n.
Want to contribute problems and receive full credit? Click here to add your problem!
Please report any issues to us in our Discord server
Problem feedback
Difficulty
—