# Binomial distribution - coin toss

I would be really happy, if someone would explain how I solve this;

Let p denote the probability for “head” in a coin toss, p = 0.5. The coin is thrown N times. What is the probability of the following events? *: Please provide details, not just the solution.

I know the binomial formula but cannot figure out how i solve this. Regards Ida

• You don't want the binomial formula here - the question asks for the probability of a single joint event, because the order of appearance matters. I.e. it is not about combinations, it is not about the probability of the event "two heads, one tail". I presume that tosses are independent. Then it is about the probability of the intersection of three fully independent events. – Alecos Papadopoulos Oct 16 '14 at 10:28