Question

Peter, Dan, Harold, and Randy each have a nickel. All four of them flip their nickels at the same time. a. Draw a tree diagram of all the combinations possible when the four boys flip their coins.

Answer 1

You would get something like this. This is because with the first kid, they can get either Heads or Tails, two possibilities.

After this, the second kid can also cause either Heads or Tails but they are building on what the first kid had already done, so four possibilities.

Thsi keeps on multiplying on and on by 2 the more kids who flip a coin.