please help with hw questions

An Internet service provider sampled 511 customers and found that 80 of them experienced an interruption in service during the previous month. a. Construct a 84% confidence interval for the proportion of all customers who experienced an interruption. Critical value: z, ort* = 1.41 (Enter the positive one.) Margin of Error: E = 0.0226 Confidence Interval: ( 0.1300 0. 1832 b. Interpret your result in part (a) in a complete sentence. The 848 confidence interval that estimates the true population proportion (p) of all customers who experienced an interruption is: 0. 1300