Confidence interval for population proportion of the time

Reference no: EM131405273

According to Keynote Systems, Wal-Mart's website was available 95% of the time during a holiday shopping season.

Assuming this finding to be based on a simple random sample of 200 attempts, construct and interpret the 90% confidence interval for the population proportion of the time the Wal-Mart site was available during this period.

Reference no: EM131405273

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