A telephone company claims that the service calls which they
     A telephone company claims that the service calls which they receive are equally distributed among the five working days of the week. A survey of 120 randomly selected service calls was conducted is there enough evidence to refute the telephone company\'s claim that the number of service calls does not change from day-to-day? 
  
  Solution
for alpha = 0.01
df = 120-5-1 = 114
critical value : 135.807

