Problem 2. An engineering statistics class has 40 students; 60% are electrical engineering majors, 10% are industrial en

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Problem 2 An Engineering Statistics Class Has 40 Students 60 Are Electrical Engineering Majors 10 Are Industrial En 1 (125.91 KiB) Viewed 74 times

Problem 2. An engineering statistics class has 40 students; 60% are electrical engineering majors, 10% are industrial engineering majors, and 30% are mechanical engineering majors. A sample of four students is selected randomly without replacement for a project team. Let Xand Y denote the number of industrial engineering and mechanical engineering majors, respectively. Determine the following: (a) fxy(x, y) (b) fx(x) (c) E(X) (d) frp () (e) E(Y|X = 3) (f) V(Y|X = 3) (g) Are X and Y independent?