This is my question, please give a detailed answer.

Question

A couple plans to have 5 children. The gender of each child is equally likely. Design a simulation involving 137 trials that you can use to model the genders of the children.

You can toss____coins____times.

Answer 1

You could throw 137 coins once. If the coin comes up heads, boy. Tails girl.

Or you could take one coin, and throw it 137 times. Heads - boy, tails girl.