MathDB
2017 Discrete #7

Source:

October 12, 2022
2017Discrete Math Test

Problem Statement

Alice and Bob play a game where on each turn, Alice rolls a die and Bob flips a coin. Bob wins the game if he flips 33 heads before Alice rolls a 66. What is the probability that Bob wins? Note that Bob does not in if he flips his third head the same turn Alice rolls her first 66.