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Problem 5, Page 953 All State University Business School faculty members are classified as tenured or untenured. Each year, 10% of the untenured faculty are granted tenure and 10% leave State University; 95% of the tenured faulty remain and 5% leave. The business school wants to maintain a faculty with 100 members, of which x% are untenured. Determine a hiring policy that will achieve this goal. For what values of x does this goal require firing tenured faculty members? Describe a hiring policy that maintains a faculty that is 10% untenured. Describe a hiring policy that maintains a faculty that is 40% tenured. Transition Matrix: Untenured Tenured Leave Untenured .80 0 0 Tenured .10 .95 0 Leave .10 .05 1 Hu= Hire Untenured Ht= Hire Tenured Lu= Left Untenured Lt= Left Tenured Bt= Become Tenured and Stay as Faculty Hu = (20/100) x Hu = .20x Ht + (10/100) x = (5/100)(100-x) Ht = 5 - 0.15x If 0.15x ≤ 5 the faculty can maintain being 100 people. If x = 10 Hu = 0.20(10) = 2 Ht = 5-0.15(10)= 3.5 If x = 40 Hu = 0.20(40) = 8 Ht = 5-0.15(40) = -1 Then for x=40 we need to fire a tenured faculty. 1