Check if at least two out of three booleans are true

Question

An interviewer recently asked me this question: given three boolean variables, a, b, and c, return true if at least two out of the three are true.

My solution follow

Answer 1

boolean atLeastTwo(boolean a, boolean b, boolean c) 
{
  return ((a && b) || (b && c) || (a && c));
}