Margin of Error from Confidence Interval
View the Lesson | MATHguide homepage Updated March 20th, 2018

Status: Waiting for your answers.



Problem: A manager of a business surveyed a number of customers. The confidence interval was [71.09%, 76.91%]. Determine the original proportion and the margin of error using this information.
 
Solution:
Sample Proportion:%
Margin of Error:%