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timer Asked: Apr 3rd, 2016

Question description

Reports indicate 145 out of a random sample of 1100 employees at a corp accessed internet sites unrelated to their jobs over the last wk. On average employees who accessed non job-related sites spent 4.8 hrs per wk at such sites with an SD of 2.1 hrs. 

1. Give a 95% confidence interval for the % of employees at the corp who access non-job-related sites

2. Stats show that about 10% nationwide access unrelated job sites. Is this any different from the national stat?

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