Code for Joint Probability Distributions and Random Sampling

• ex5_40.py (solves chapter 5 exercise 40)
  
• ex5_41.py (solves chapter 5 exercise 41)
  
• ex5_42.py (solves chapter 5 exercise 42)
  
• ex5_44.R (solves chapter 5 exercise 44)
  
• ex5_45.R (solves chapter 5 exercise 44)
  
• ex5_77.R (solves chapter 5 exercise 44)