Homework 4 
5.6 0.212 

5.7 0.0446 

5.41 0.53 or 53% 

5.42 .0089 0r 9% 

5.43 <.0001 therefore very unusual level 

5.44 .0028; very unlikely 

5.45 .0021; unlikely to be obtained by chance 

5.71 the poisson distribution should be used. 

5.72 0.115; not an unusually low number 

5.74 0.50 

5.75 0.301 

5.76 need 6 measurements before and after