(Answered) According to keynote systems wal-marts website was

Statistics

According to Keynote systems, Wal-Mart's Website was available 95% of the time during the most recent 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.

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This questionlies from Statistics and it is about calculating the probability of Wal-Mart website's availability during shopping season with 90% confidence level.

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