nternet service : An Internet service provider sampled 538 customers and found that 78 of them experienced an interruption in high-speed service during the previous month. (b) Construct an 80%...

nternet service: An Internet service provider sampled

 customers and found that

 of them experienced an interruption in high-speed service during the previous month.

(b) Construct an

 confidence interval for the proportion of all customers who experienced an interruption. Round the answer to at least three decimal places.