Confidence Intervals Using a Formula
View Our Statistics Lessons | MATHguide homepage Updated March 10th, 2018

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Problem: The owner of a business surveyed 152 customers. 42% of the customers surveyed say they are satisfied with the services they received from the business. Calculate a 95% margin of error and confidence interval for this survey using the formula below.

Round your responses to the nearest hundredth.

      Formula for Margin of Error
Margin of Error:%

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