Stat 2000, Section 001, Homework Assignment 10 (Due 11/13/2001 11:59pm)

• 0) Reading: Sections 4.3, 4.4
  
  
• 1) Please work on the following textbook questions in Moore/McCabe:
  
  
  • Exercise 4.40, 4.46, 4.47, 4.49 (2 Points each)
    
    
  • Exercise 4.52, 4.53, 4.62 (3 Points each)
    
    
• 2) In a previous Stat 2000 class, the following point gains and point losses between Quiz 1 and Quiz 2 have been reported:
  
  

  # Students	Point Gain/Loss
  2	-5
  3	-1
  3	0
  4	+1
  2	+2
  4	+3
  2	+5

  
  Let the random variable Y represent the point gain/loss.
  
  Based on this data, draw a probability histogram, draw a spike graph, determine the cumulative probability function F(y), and draw a graph of F(y). Mark clearly which points are included / not included at particular positions in the graph of F(y). (8 Points)