A telephone service representative believes that the proportionof customers completely satisfied with their local telephoneservice is different between the West and the Northeast. Therepresentative's belief is based on the results of a survey. Thesurvey included a random sample of 12401240 western residents and13001300 northeastern residents. 46%46% of the western residentsand 35%35% of the northeastern residents reported that they werecompletely satisfied with their local telephone service. Find the98%98% confidence interval for the difference in twoproportions.
Step 2 of 3:
Find the value of the standard error. Round your answer to threedecimal places.
Step 3 of 3:
Construct the 98%98% confidence interval. Round your answers tothree decimal places.
