3 ms·
If you’re wondering where does the formula (1-p)^n come from, it’s a number often used in gambling (if I throw a die 7 times, what are the chances of getting at
by mihaifm 8y ago
If you’re wondering where does the formula (1-p)^n come from, it’s a number often used in gambling (if I throw a die 7 times, what are the chances of getting at least a 3). The probability of an event having probability p happening after n trials is 1-(1-p)^n, and he’s using the inverse of that.
https://en.m.wikipedia.org/wiki/Binomial_distribution https://en.m.wikipedia.org/wiki/Binomial_distribution