a) From the given information, which employee has better evaluation results and why? Assessment Criteria weight employee1 employee2 research 35 4 plan a strategy 25 5 3 head of department 20 3 5 perform work 10 4 N evaluate 10 2 O a. 2.8 O b. 3.45 O c. 100 O d. 15 b)Find the expected value of the random variable X. Lap x = 0,2 F(x) = Lo x = 1,3 O a. 3.0 O b. 3.5 O c. 1.50 O d. 1.5