Mathematics Homework Help
Mathematics Homework Help. help me to solve this problem.
A researcher is examining how long the work week of US
physicians is. A random sample of 10,000 of US physicians indicates that the
average work week if 58.44 hours/week. Assume that we know that the population
standard deviation (σ = 17.44).
How close is the
sample mean likely to be to the unknown population mean μ? Calculate standard
error.
Determine the
confidence interval on the assumption that the confidence level is 95%.
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