Final project You used the Multiplication Rule to calculate probabilities about the Calculus background of yourStatistics groupmates in Exercise 30.  a) What must be true about the groups in order to...

Final project You used the Multiplication Rule to calculate probabilities about the Calculus background of yourStatistics groupmates in Exercise 30.

 a) What must be true about the groups in order to make that approach valid?

 b) Do you think this assumption is reasonable? Explain.

Exercise 30

Another project You are assigned to be part of a group of three students from the Intro Stats class described in Exercise 28. What is the probability that of your other two groupmates,

 a) neither has studied Calculus?  b) both have studied at least one semester of Calculus?    c) at least one has had more than one semester of Calculus?