주사위를 던진다. 이때 1~6사이의 한 자연수 k가 나올확률은 1/6이다.
하지만 주사위를 여러번 던진다면 어떨까? 주사위를 한번 던졌을때 k가 나올확률은 1/6이지만 여러번 던졌을때,
그중 한번이라도 k가 나올확률은 던지는 횟수가 늘어날수록 높아질 것이다.
주사위를 n번 던졌을때 k가 한번이라도 나올 확률은 얼마나 되는가?
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