Problema Solution

If you toss six fair coins, in how many ways can you obtain at least two heads?

Answer provided by our tutors

There is 1 way to get no heads. 
There is 6 ways to get just one head.

The total number of ways to toss the coins is 2^6.

The number of ways to toss at least 2 heads is:

2^6 - (1 + 6) = 57