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Q7. In a particular company the salary of a technician (x1000) is X ~N(= 30,0 = 2). The salary of an engineer is X2
Q7. In a particular company the salary of a technician (x1000) is X ~N(= 30,0 = 2). The salary of an engineer is X2 ~N(= 40, = 3.5). (i) For a group of 25 technicians, calculate the probability that the average salary is less than 30,500. (ii) Calculate the probability that an engineer earns more than a technician.
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Introduction to Operations Research
Authors: Frederick S. Hillier, Gerald J. Lieberman
10th edition
978-0072535105, 72535105, 978-1259162985
