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...

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?