If I roll a fair die n times, then the probability of getting at least one 1 is greater than 1/2. Find the smallest n that has this property.
When n = 4, then the probability of at least 1 one is as follows:
[(4nCr1 * 5^3) + (4nCr2 * 5^2) + (4nCr3 * 5^1) + (4nCr4 * 5^0) ] / 6^4 =51.77 %
