Q25. Since the beginning of 2008, how often, if at all, have your wireless phone service bills or charges ever been inaccurate?

Question
Choices
Estimated
Percentage
95 Percent
Confidence Interval
None of the time 72 69-76
Some of the time 20 17-23
Most of the time 2 1-3
All of the time 2 1-3
Don't know/Not sure 4 3-6