ORIE 476 SPRING 2004 ==================== Homework 1: (due date February 6) ---------------------------------- Read Appendix A.4 in the textbook before attempting question 1) and 2). 1) Let T be a random variable with a t(5) distribution. Find by means of Table B.2 in Appendix B of the textbook, or even better, using R. a) P(T > +2) b) P(T < -1) c) P(-3 < T < +3) d) t(0.950; 5) e) t(0.987; 5) 2) Let F be a random variable with a F(7, 9) distribution. Find by means of Table B.4 in Appendix B of the textbook or using R. a) P(F > 4) b) P(F < 9) c) F(0.95; 7, 9) d) F(0.93; 7, 9) e) F(0.05; 7, 9) *** NKNW stands for the 4 authors of the textbook. *** NKNW: Problems 1.2, 1.4, 1.6, 1.8, 1.18, 1.21, 1.22, 1.25, 1.26 NKNW: Exercises 1.29, 1.30, 1.33, 1.34, 1.35, 1.36 NKNW: Problems 2.1, 2.2, 2.3, 2.6(a,b,c), 2.7(a,b) Here are the data for Problem 1.22: 199.0 16.0 205.0 16.0 196.0 16.0 200.0 16.0 218.0 24.0 220.0 24.0 215.0 24.0 223.0 24.0 237.0 32.0 234.0 32.0 235.0 32.0 230.0 32.0 250.0 40.0 248.0 40.0 253.0 40.0 246.0 40.0