Hi everybody!

So being a calc student and a stats student simultaneously is kinda fun, but i think its may be giving me tunnel vision. Argh!! Here's why...

If an alarm clock has a .5 probability of working, how many alarm clocks are required to reach a .99 probability that at least one will work?

So calc is blurring this thing for me, because i want to solve it with sum of series tools...which ain't workin'.

Sooo, what does work?