### Home > CCA2 > Chapter Ch11 > Lesson 11.2.2 > Problem 11-55

A team of

Using a single coin, find a fair way to select the presenter.

There are a variety of possible methods. Make sure each student has an equally likely chance of being selected.

What is the smallest number of coin tosses needed to select a presenter fairly? Describe the method.

Draw a tree diagram.

How many times does the coin need to be flipped to get a sample space ofequally likely outcomes? Two of the group members realize they won’t be in class the day of the presentation because they are playing in a baseball tournament. Can a presenter still be chosen fairly with a single coin? Explain why or why not?

Yes. Explanations/methods will vary.