An engineering statistics class has 40 students?
An engineering statistics class has 40 students and 60% are electrical engineering majors, 10% are industrial engineering majors, and 30% are mechanical engineering majors. A sample of 4 students is selected randomly, without replacement, for a project team. Let X and Y denote the number of industrial engineering and mechanical engineering majors, respectively. Determine the following:
d) fy|3 (y)
e) E(Y | X=3)
g) Are X and Y independent?
*I mainly just need help with part a because I don't know where to start, but I'm sure once I figure that out, I can figure out the rest. Thanks!
- 8 years agoFavorite Answer
i d k. but u should really ask ur teacher/professor. sorry hopefull u'll find out. GOOD LUCKSource(s): Myself