Code for Chapter 4 (Random Variables)

• chap_4_prob_4.m (some simple calculations for this problem)
  
• chap_4_prob_15.m (numerically evaluates some sums)
  
• chap_4_prob_22.nb (mean of the number of games to played to win by i)
  
• chap_4_prob_33.m (some calculations for this problem)
  
• chap_4_prob_36.nb (variance of the number of games played to win by i)
  
• chap_4_prob_46.m (some calculations for this problem)
  
• chap_4_prob_57.nb (evaluation of the Poisson distribution for this problem)