Mathematics, 24.11.2021 01:00 Gheaton6274
An internet service provider (ISP) has experienced rapid growth in the past five years. As part of its marketing strategy, the company promises fast connections dependable service. To achieve its objectives, the company constantly evaluates the capacity of its servers. One component of its evaluation is an analysis of the average amount of time a customer is connected and actively using the Internet daily. A random sample of 12 customer records shows the following daily usage times, in minutes.
274 347 283 307 327 314
303 285 280 391 359 325
Interpret the confidence interval estimate.
a. Based on the sample data, with 90% confidence, the ISP can conclude that the sample mean daily usage time is between minute(s) and minute(s).
b. Based on the sample data, with 90% confidence, the ISP can conclude that the true population mean daily usage time is between minute(s) and minute(s).
c. Based on the sample data, the ISP can conclude that 90% of daily usage times are between minute(s) and minute(s).
Answers: 2
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An internet service provider (ISP) has experienced rapid growth in the past five years. As part of i...
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