Identify the sample space for a couple having four children. { bbbb comma bbbg comma bbgb comma bbgg comma bgbb comma bgbg comma bggb comma bggg comma gbbb comma gbbg comma gbgb comma gbgg comma ggbb comma ggbg comma gggb comma gggg} (Use a comma to separate answers as needed.) Part 2 Find the probability of getting four girls and no boys. enter your response here (Type an integer or a decimal. Do not round.)