The data shows the finalist for class president, The order in which they will give their speeches will be chosen randomly.
a: What is the probability that Denny, Kelli, and Chaminade are the first 3 speakers, in any order?
b: What is the probability that Denny is first, Kelly is second, and Chaminade is third?

data:
Class President Finalists
- Alan Shepherd
- Chaminade Hudson
- Denny Murano
- Kelli Baker
- Tanika Johnson
- Jerome Murdock
- Marlene Lindeman