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1. An Internet service provider sampled538customers and found that78of them experienced an interruption in high-speed service during the previous month. a.Find a point estimate for

1. An Internet service provider sampled538customers and found that78of them experienced an interruption in high-speed service during the previous month.

a.Find a point estimate for the population of all customers who experienced an interruption. Round the answer to at least three decimal places

b.Construct an80%confidence interval for the proportion of all customers who experienced an interruption. Round the answer to at least three decimal places.

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