5. Human Resources Consulting(HRC) surveyed a random sample of 60 Twin Cities construction companies to find information
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5. Human Resources Consulting(HRC) surveyed a random sample of 60 Twin Cities construction companies to find information
5. Human Resources Consulting(HRC) surveyed a random sample of 60 Twin Cities construction companies to find information on the costs of their health care plans. One of items being tracked is the annual deductible that employees must pay. The Minnesota Department of Labor reports that historically the mean deductible amount per employee is $502 with a standard deviation of $100. a. Compute the standard error of the sample mean for HRC. b. What is the chance that HRC finds a sample mean between $477 and $527? c. What is the probability the sample mean is less than $450?
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